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3Com 4007 Command Reference Manual

Manual is about: 3Com 4007: Install Guide

Summary of 4007

  • Page 1

    Http://www.3com.Com/ switch 4007 command reference guide part no. 10013693 published may 2000

  • Page 2

    3com corporation 5400 bayfront plaza santa clara, california 95052-8145 copyright © 2000, 3com corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) withou...

  • Page 3: Ontents

    C ontents a bout t his g uide scope of this guide 15 audience 16 using this book 16 finding information 16 command information 19 conventions 20 documentation comments 21 year 2000 compliance 21 1 a dministration o verview system management overview 24 management and data channels 24 management modu...

  • Page 4: (Snmp)

    2 a dministration c onsole c ommand s ummary 3 m odule e nvironment menu structure 52 module display 53 module snapshot summary 54 module snapshot detail 55 module baseline display 56 module baseline set 57 module baseline requestedstate 58 module name 59 module time 60 module screenheight 61 module...

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    Ethernet paceinteractiveaccess 95 ethernet label 96 ethernet portstate 97 ethernet monitoring summary 98 ethernet monitoring mode 99 6 b ridge - wide p arameters menu structure 102 bridge display 103 bridge ipfragmentation 106 bridge ipxsnaptranslation 107 bridge addressthreshold 108 bridge agingtim...

  • Page 6: Lan

    Bridge port gvrpstate 142 bridge port address list 143 bridge port address add 144 bridge port address remove 145 bridge port address find 146 bridge port address flushall 147 bridge port address flushdynamic 148 8 t runking (l ink a ggregation ) menu structure 150 bridge trunk automap summary 151 b...

  • Page 7: (Ip)

    11 p acket f ilters menu structure 204 bridge packetfilter list 205 bridge packetfilter display 206 bridge packetfilter create portgroup 207 bridge packetfilter create custom 208 bridge packetfilter delete 209 bridge packetfilter edit 210 bridge packetfilter load 211 bridge packetfilter assign 214 b...

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    Ip arp flushall 255 ip arp flushdynamic 256 ip arp age 257 ip arp statistics 258 ip dns display 260 ip dns domainname 261 ip dns define 262 ip dns modify 263 ip dns remove 264 ip dns nslookup 265 ip udphelper display 266 ip udphelper define 267 ip udphelper remove 268 ip udphelper hopcountlimit 269 ...

  • Page 9: (Vrrp)

    13 v irtual r outer r edundancy (vrrp) menu structure 306 ip vrrp summary 307 ip vrrp detail 309 ip vrrp define 312 ip vrrp modify 315 ip vrrp remove 318 ip vrrp mode 319 ip vrrp neighbor 320 ip vrrp statistics 321 14 ip m ulticast menu structure 324 ip multicast dvmrp interface summary 325 ip multi...

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    Ip ospf areas removearea 356 ip ospf areas addrange 357 ip ospf areas modifyrange 358 ip ospf areas removerange 359 ip ospf defaultroutemetric display 360 ip ospf defaultroutemetric define 361 ip ospf defaultroutemetric remove 362 ip ospf interface summary 363 ip ospf interface detail 364 ip ospf in...

  • Page 11: (Ipx)

    Ip ospf virtuallinks password 411 ip ospf policy summary 412 ip ospf policy detail 413 ip ospf policy define 415 ip ospf policy modify 419 ip ospf policy remove 423 ip ospf statistics 424 16 i nternet p acket e xchange (ipx) menu structure 426 ipx interface display 427 ipx interface define 428 ipx i...

  • Page 12: (Rsvp)

    Ipx statistics rip 467 ipx statistics sap 468 ipx statistics forwarding 469 ipx statistics interface 471 ipx oddlengthpadding 473 ipx netbios 474 ipx secondary 475 17 a pple t alk menu structure 478 appletalk interface summary 479 appletalk interface detail 480 appletalk interface define 481 appleta...

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    Qos control detail 521 qos control define 523 qos control modify 530 qos control remove 535 qos rsvp summary 536 qos rsvp detail 537 qos rsvp enable 538 qos rsvp disable 540 qos bandwidth display 541 qos bandwidth modify 542 qos excesstagging display 543 qos excesstagging enable 544 qos excesstaggin...

  • Page 15: Bout

    A bout t his g uide this switch 4007 command reference guide provides information about the commands that you use to configure and manage switching modules in the switch 4007 system. These commands pertain to the menu-driven command line interface that is included in each module’s software. This int...

  • Page 16

    16 a bout t his g uide audience this guide is intended for the network administrator who is responsible for configuring, using, and managing the switch 4007 system. It assumes a working knowledge of local area network (lan) operations and familiarity with communications protocols that are used on in...

  • Page 17

    Using this book 17 configuring and displaying snmp settings on switching modules, including trap reporting chapter 4: simple network management protocol administering ethernet port options such as setting the port speed and duplex mode or labeling ports displaying statistics for ethernet ports chapt...

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    18 a bout t his g uide controlling traffic flows with quality of service (qos) options such as classifiers, controls, resource reservation protocol (rsvp), bandwidth, and excess tagging viewing statistics chapter 18: qos and rsvp administering roving analysis chapter 19: roving analysis technical su...

  • Page 19

    Command information 19 command information each software command has its own description in this guide. Each command description begins at the top of a page. A command description begins with these items: ■ the complete text of a command ■ type of modules on which this command is valid, as indicated...

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    20 a bout t his g uide conventions table 1 and table 2 list icon and text conventions that are used throughout this guide. Table 1 notice icons icon notice type description information note information that describes important features or instructions caution information that alerts you to potential...

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    Documentation comments 21 documentation comments your suggestions are very important to us. They help us to make our documentation more useful to you. Please send e-mail comments about this guide to: sdtechpubs_comments@ne.3com.Com include the following information when commenting: ■ document title ...

  • Page 22

    22 a bout t his g uide.

  • Page 23: Dministration

    1 a dministration o verview this chapter introduces the administration console software that is supplied on each switching module, the types of commands that you use to perform network tasks, the valid syntax for command abbreviations, and some shortcuts to help you navigate through the menus. To pu...

  • Page 24

    24 c hapter 1: a dministration o verview system management overview a switch 4007 system begins with a chassis that has 2 slots for management modules, 1 slot for a switch fabric module, and 6 slots for lan switching modules. Fans and power supplies are required for operation of this chassis, as wel...

  • Page 25

    Management module summary 25 management module summary the management module: ■ provides a central point of contact for chassis management ■ monitors physical conditions in the chassis such as power and temperature ■ manages power use in the chassis by: ■ preventing newly installed modules from rece...

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    26 c hapter 1: a dministration o verview you use the options in this cli to configure and monitor certain system functions, such as login table management, ip connectivity, event and trap logs, software downloads to all modules, system inventory, temperature management, and power management. From th...

  • Page 27

    Access privileges on modules 27 accessing the administration console to access the administration console of a lan switching module or switch fabric module in a switch 4007, follow these steps: 1 log in to the system. For example, you can telnet to the ip address that you had previously established ...

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    28 c hapter 1: a dministration o verview password access levels the switch 4007 management module controls passwords and access levels to manage the chassis and all of its installed modules. There are three password levels, allowing you to create different levels of access for a range of network per...

  • Page 29

    Password access levels 29 administration console menus the top-level menu of a switching module’s administration console groups the commands according to certain tasks and technologies, as listed in table 4. Menu options may differ between modules, depending on factors such as connector type, protoc...

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    30 c hapter 1: a dministration o verview using menus to perform tasks when you access the administration console, the top-level menu appears; the menu options are on the left side and brief descriptions are on the right side. Most top-level menu options lead to submenus (an example of one that does ...

  • Page 31

    Selecting menu options 31 selecting menu options to select a menu option, at the prompt enter the complete text or enough of the name to uniquely identify it within the particular menu. Example: to access the module submenu, at the top-level prompt simply enter: module menu options are not case sens...

  • Page 32

    32 c hapter 1: a dministration o verview entering a command string after you become familiar with the menu structure, you can enter a string of menu options or commands from the top-level menu prompt to move immediately to a task. Example: the full command string for setting the spanning tree protoc...

  • Page 33

    Understanding the values presented 33 understanding the values presented when you reach the level at which you can perform a task, the administration console prompts you for a value. The prompt usually shows all valid values (if applicable) and typically suggests a default value. The default may be ...

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    34 c hapter 1: a dministration o verview.

  • Page 35: Dministration

    2 a dministration c onsole c ommand s ummary table 5 outlines all of the administration console commands for switch 4007 switching modules and indicates the module type to which they apply. Each command is described in chapters that follow. This table classifies all non-management modules as belongi...

  • Page 36

    36 c hapter 2: a dministration c onsole c ommand s ummary module nvdata reset ✓ ✓ module nvdata emergencydownload ✓ ✓ module nvdata displaydownload ✓ ✓ module nvdata staging ✓ ✓ module cleardiagblock ✓ ✓ module reboot ✓ ✓ disconnect ✓ ✓ chapter 4: snmp snmp display ✓ ✓ snmp trap display ✓ ✓ snmp tra...

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    37 ethernet portstate ✓ ✓ ethernet monitoring summary ✓ ethernet monitoring mode ✓ chapter 6: bridge-wide parameters bridge display ✓ ✓ bridge ipfragmentation ✓ bridge ipxsnaptranslation ✓ bridge addressthreshold ✓ bridge agingtime ✓ ✓ bridge spanningtree stpstate ✓ ✓ bridge spanningtree stppriority...

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    38 c hapter 2: a dministration c onsole c ommand s ummary bridge multicast igmp groups ✓ bridge multicast igmp desquerier ✓ bridge multicast igmp rports ✓ bridge multicast igmp qport ✓ chapter 7: bridge port parameters bridge port summary ✓ ✓ bridge port detail ✓ ✓ bridge port multicastlimit ✓ ✓ bri...

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    39 bridge trunk detail ✓ ✓ bridge trunk define ✓ ✓ bridge trunk modify ✓ ✓ bridge trunk remove ✓ ✓ chapter 9: resilient links bridge link summary ✓ bridge link detail ✓ bridge link define ✓ bridge link linkstate ✓ bridge link activeport ✓ bridge link modify ✓ bridge link remove ✓ chapter 10: virtual...

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    40 c hapter 2: a dministration c onsole c ommand s ummary bridge packetfilter create portgroup ✓ bridge packetfilter create custom ✓ bridge packetfilter delete ✓ bridge packetfilter edit ✓ bridge packetfilter load ✓ bridge packetfilter assign ✓ bridge packetfilter unassign ✓ bridge packetfilter port...

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    41 ip interface statistics ✓ ip route display ✓ ip route static ✓ ip route remove ✓ ip route flush ✓ ip route default ✓ ip route nodefault ✓ ip route findroute ✓ ip arp display ✓ ip arp static ✓ ip arp remove ✓ ip arp flushall ✓ ip arp flushdynamic ✓ ip arp age ✓ ip arp statistics ✓ ip dns display ✓...

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    42 c hapter 2: a dministration c onsole c ommand s ummary ip udphelper hopcountlimit ✓ ip udphelper threshold ✓ ip udphelper interface first ✓ ip udphelper interface even ✓ ip udphelper interface sequential ✓ ip routing ✓ ip rip display ✓ ip rip mode ✓ ip rip compatibilitymode ✓ ip rip cost ✓ ip rip...

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    43 ip advancedtraceroute ✓ ip statistics ✓ chapter 13: vrrp ip vrrp summary ✓ ip vrrp detail ✓ ip vrrp define ✓ ip vrrp modify ✓ ip vrrp remove ✓ ip vrrp mode ✓ ip vrrp neighbor ✓ ip vrrp statistics ✓ chapter 14: ip multicast ip multicast dvmrp interface summary ✓ ip multicast dvmrp interface detail...

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    44 c hapter 2: a dministration c onsole c ommand s ummary ip multicast dvmrp routedisplay ✓ ip multicast dvmrp cache ✓ ip multicast igmp interface summary ✓ ip multicast igmp interface detail ✓ ip multicast igmp interface ttl ✓ ip multicast igmp snooping ✓ ip multicast igmp querying ✓ ip multicast c...

  • Page 45

    45 ip ospf interface priority ✓ ip ospf interface areaid ✓ ip ospf interface cost ✓ ip ospf interface delay ✓ ip ospf interface hello ✓ ip ospf interface retransmit ✓ ip ospf interface dead ✓ ip ospf interface password ✓ ip ospf linkstatedata databasesummary ✓ ip ospf linkstatedata router ✓ ip ospf ...

  • Page 46

    46 c hapter 2: a dministration c onsole c ommand s ummary ip ospf virtuallinks statistics ✓ ip ospf virtuallinks define ✓ ip ospf virtuallinks remove ✓ ip ospf virtuallinks areaid ✓ ip ospf virtuallinks router ✓ ip ospf virtuallinks delay ✓ ip ospf virtuallinks hello ✓ ip ospf virtuallinks retransmi...

  • Page 47

    47 ipx route secondary ✓ ipx route static ✓ ipx route remove ✓ ipx route flush ✓ ipx server display ✓ ipx server static ✓ ipx server remove ✓ ipx server flush ✓ ipx server secondary ✓ ipx forwarding ✓ ipx rip mode ✓ ipx rip triggered ✓ ipx rip policy summary ✓ ipx rip policy define ✓ ipx rip policy ...

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    48 c hapter 2: a dministration c onsole c ommand s ummary ipx statistics summary ✓ ipx statistics rip ✓ ipx statistics sap ✓ ipx statistics forwarding ✓ ipx statistics interface ✓ ipx oddlengthpadding ✓ ipx netbios ✓ ipx secondary ✓ chapter 17: appletalk appletalk interface summary ✓ appletalk inter...

  • Page 49

    49 appletalk sourcesocket ✓ appletalk ping ✓ appletalk statistics ddp ✓ appletalk statistics rtmp ✓ appletalk statistics zip ✓ appletalk statistics nbp ✓ chapter 18: quality of service and rsvp qos classifier summary ✓ qos classifier detail ✓ qos classifier define ✓ qos classifier modify ✓ qos class...

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    50 c hapter 2: a dministration c onsole c ommand s ummary qos excesstagging enable ✓ qos excesstagging disable ✓ qos statistics interval ✓ qos statistics receive ✓ qos statistics transmit ✓ chapter 19: roving analysis analyzer display ✓ ✓ analyzer add ✓ ✓ analyzer remove ✓ ✓ analyzer start ✓ ✓ analy...

  • Page 51: Odule

    3 m odule e nvironment this chapter describes the commands that stem from the module and disconnect menu options on switch 4007 switching modules. With these commands, you can: ■ display information about the module configuration and status ■ administer a statistics baseline ■ create a module name ■...

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    52 c hapter 3: m odule e nvironment menu structure the following diagram shows an inclusive list of commands that stem from the module menu option at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access at which you logged in ...

  • Page 53

    Module display 53 ✓ layer 2 switching modules ✓ multilayer switching modules module display generates software and hardware revision numbers, module status information, and warning messages for certain module conditions. Valid minimum abbreviation mo d important considerations ■ the module display p...

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    54 c hapter 3: m odule e nvironment module snapshot ✓ layer 2 switching modules ✓ multilayer switching modules summary captures an image of all module’s display screens from all menu options. The values in each screen reflect the current values of all fields and counters at the time that you use the...

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    Module snapshot detail 55 module snapshot ✓ layer 2 switching modules ✓ multilayer switching modules detail captures an image of all module detail display screens. The display screens contain the current values of all fields and counters at the time that you use the snapshot feature. Valid minimum a...

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    56 c hapter 3: m odule e nvironment module baseline ✓ layer 2 switching modules ✓ multilayer switching modules display displays when the current baseline was last set. Valid minimum abbreviation mo ba dis important considerations ■ use this command to determine if you need a newer baseline for viewi...

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    Module baseline set 57 ✓ layer 2 switching modules ✓ multilayer switching modules module baseline set resets the baseline counters to zero and time-stamps the baseline. Valid minimum abbreviation mo ba set important considerations ■ baselining is automatically enabled when a baseline is set. ■ the m...

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    58 c hapter 3: m odule e nvironment module baseline ✓ layer 2 switching modules ✓ multilayer switching modules requestedstate enables or disables a baseline. Valid minimum abbreviation mo ba req important considerations ■ when you reenable a baseline, the counters return to the values that have accu...

  • Page 59

    Module name 59 ✓ layer 2 switching modules ✓ multilayer switching modules module name assigns or changes a name to the module to help you identify it when you are managing the system. Valid minimum abbreviation mo nam important considerations ■ assign an easily recognizable and unique name for each ...

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    60 c hapter 3: m odule e nvironment ✓ layer 2 switching modules ✓ multilayer switching modules module time displays the module’s current date and time. Valid minimum abbreviation mo ti important considerations ■ you cannot change the date and time from the module because this is established for the ...

  • Page 61

    Module screenheight 61 ✓ layer 2 switching modules ✓ multilayer switching modules module screenheight changes the administration console’s screen height to increase or decrease the space available for displaying information. Valid minimum abbreviation mo scr important considerations ■ the setting co...

  • Page 62

    62 c hapter 3: m odule e nvironment ✓ layer 2 switching modules ✓ multilayer switching modules module nvdata reset resets the module’s nonvolatile (nv) data values to the factory defaults. Valid minimum abbreviation mo nv res important considerations ■ at times you may want to reset the values to th...

  • Page 63

    Module nvdata emergencydownload 63 module nvdata ✓ layer 2 switching modules ✓ multilayer switching modules emergencydownload instructs the management module to perform an emergency download of software to the switching module to which you are connected. Valid minimum abbreviation mo nv sta importan...

  • Page 64

    64 c hapter 3: m odule e nvironment module nvdata ✓ layer 2 switching modules ✓ multilayer switching modules displaydownload displays emergency download information for your module. Valid minimum abbreviation mo nv dis important consideration ■ the download display shows the following information: ■...

  • Page 65

    Module nvdata staging 65 module nvdata ✓ layer 2 switching modules ✓ multilayer switching modules staging enables either default module settings or retention of nonvolatile data settings when you hot swap a module. Valid minimum abbreviation mo nv sta important considerations ■ if you hot swap a mod...

  • Page 66

    66 c hapter 3: m odule e nvironment module ✓ layer 2 switching modules ✓ multilayer switching modules cleardiagblock prevents diagnostic information about failed modules from accumulating in module display screens. Valid minimum abbreviation mo cle important considerations ■ the module immediately r...

  • Page 67

    Module reboot 67 ✓ layer 2 switching modules ✓ multilayer switching modules module reboot reboots the specified module. Valid minimum abbreviation mo reboot important considerations ■ rebooting a module returns you to the management module cli prompt. ■ if you enter y , the module reboots. ■ if you ...

  • Page 68

    68 c hapter 3: m odule e nvironment ✓ layer 2 switching modules ✓ multilayer switching modules disconnect disconnects you from the module’s administration console and returns you to the cli prompt of the management module. Valid minimum abbreviation disc important consideration ■ disconnecting from ...

  • Page 69: Imple

    4 s imple n etwork m anagement p rotocol (snmp) although there are several ways to access, configure, and monitor a switch 4007 system, one of the most common ways is to use an external software application (that resides on a pc or workstation) that communicates with the system using the simple netw...

  • Page 70

    70 c hapter 4: s imple n etwork m anagement p rotocol (snmp) menu structure the following diagram shows an inclusive list of commands that stem from the snmp menu option at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access ...

  • Page 71

    Snmp display 71 ✓ layer 2 switching modules ✓ multilayer switching modules snmp display displays the current snmp configurations for the community strings. Valid minimum abbreviation sn d fields in the snmp display field description community string community strings setting that controls access to ...

  • Page 72

    72 c hapter 4: s imple n etwork m anagement p rotocol (snmp) ✓ layer 2 switching modules ✓ multilayer switching modules snmp trap display displays the snmp traps and their currently configured destinations . Valid minimum abbreviation sn t d fields in the snmp trap display field description trap des...

  • Page 73

    Snmp trap addmodify 73 ✓ layer 2 switching modules ✓ multilayer switching modules snmp trap addmodify adds or modifies trap reporting destination configurations. When an event occurs, the system sends the trap that you specify here to the destination address. Valid minimum abbreviation sn t a import...

  • Page 74

    74 c hapter 4: s imple n etwork m anagement p rotocol (snmp) ✓ layer 2 switching modules ✓ multilayer switching modules snmp trap remove removes a destination, so that no snmp traps are reported to that destination. Valid minimum abbreviation sn t r important consideration ■ when the module removes ...

  • Page 75

    Snmp trap flush 75 ✓ layer 2 switching modules ✓ multilayer switching modules snmp trap flush removes all snmp trap reporting destinations. Valid minimum abbreviation sn t f important consideration ■ when you flush the snmp trap reporting destinations, you remove all trap destination address informa...

  • Page 76

    76 c hapter 4: s imple n etwork m anagement p rotocol (snmp) snmp layer 2 switching modules ✓ multilayer switching modules rmonconfiguration configures the transmit and receive mode to monitor ethernet statistics as follows: ■ receive — monitors incoming port data ■ transmitandreceive — monitors inc...

  • Page 77

    Snmp trap flush 77 layer 2 switching modules ✓ multilayer switching modules snmp writedisable allows or disallows snmp write requests. Valid minimum abbreviation sn w options prompt description possible values [default] snmp write request mode whether snmp write access is enabled or disabled ■ off ■...

  • Page 78

    78 c hapter 4: s imple n etwork m anagement p rotocol (snmp).

  • Page 79: Thernet

    5 e thernet p orts before you configure your system, become familiar with the physical port numbering scheme that exists on individual switching modules and also between the switch fabric module and all other switching modules. Understanding the port numbering scheme enables you to: ■ manage your br...

  • Page 80

    80 c hapter 5: e thernet p orts menu structure the following diagram shows an inclusive list of commands that stem from the ethernet menu option at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged in ...

  • Page 81

    Ethernet summary 81 ✓ layer 2 switching modules ✓ multilayer switching modules ethernet summary displays a summary of ethernet port information. The summary shows the port’s label and status, as well as the most pertinent statistics about general port activity and port errors. Valid minimum abbrevia...

  • Page 82

    82 c hapter 5: e thernet p orts fields in the ethernet summary display field description actualflowcontrol actual flow control setting. When autonegotiation is completed, the value is the autonegotiated setting. When autonegotiation is disabled, the value is the user-selected flow control value. Act...

  • Page 83

    Ethernet summary 83 rxframes number of frames that were copied into receive buffers by this port. Slot:channel maps a switch fabric module port to an interface module backplane link. The “channel” designation is just a backplane trace number. For example, to troubleshoot a problem with switch fabric...

  • Page 84

    84 c hapter 5: e thernet p orts ✓ layer 2 switching modules ✓ multilayer switching modules ethernet detail displays detailed ethernet port information including the information in the summary and additional ethernet port statistics, such as collision counters. Valid minimum abbreviation e d importan...

  • Page 85

    Ethernet detail 85 fields in the ethernet detail display field description actualflowcontrol actual flow control setting. When autonegotiation is completed, the value is the autonegotiated setting. When autonegotiation is disabled, the value is the user-selected flow control value. Actualportmode ac...

  • Page 86

    86 c hapter 5: e thernet p orts macaddress mac address of this port. Multicollisions (multilayer switching modules only) number of frames that have experienced from 2 to 15 consecutive collisions before successful transmission from this port. If a frame also experiences a collision on the 15th attem...

  • Page 87

    Ethernet detail 87 rxbytes number of bytes received by this port, including framing characters. Rxdiscards (multilayer switching modules only) number of received frames that were discarded because there was no higher layer to receive them or because the port was disabled. Rxframerate average number ...

  • Page 88

    88 c hapter 5: e thernet p orts txinternalerrs number of frames that were discarded because of an internal error during transmission. Txmcastsonly (layer 2 switching modules only) number of multicast frames transmitted by this port. Txmulticasts number of multicast frames that were queued for transm...

  • Page 89

    Ethernet autonegotiation 89 ethernet ✓ layer 2 switching modules ✓ multilayer switching modules autonegotiation enables or disables autonegotiation of port attributes such as duplex mode and port speed on ports that support autonegotiation. Valid minimum abbreviation e a important considerations ■ y...

  • Page 90

    90 c hapter 5: e thernet p orts ✓ layer 2 switching modules ✓ multilayer switching modules ethernet portmode sets a fixed port speed (10 mbps or 100 mbps) and fixed duplex mode (full-duplex or half-duplex) on individual ports. Valid minimum abbreviation e portm important considerations ■ you can use...

  • Page 91

    Ethernet portmode 91 options prompt description possible values [default] port ports for which you want to change the portmode values ■ a single port ■ a range of ports separated by a hyphen ■ nonconsecutive ports separated by commas ■ all ■ ? (to display a port summary) – port mode setting speed an...

  • Page 92

    92 c hapter 5: e thernet p orts ✓ layer 2 switching modules ✓ multilayer switching modules ethernet flowcontrol controls whether a fast ethernet or gigabit ethernet port can respond to or generate flow control packets. Valid minimum abbreviation e f important considerations ■ the flow control featur...

  • Page 93

    Ethernet flowcontrol 93 description of flow control settings setting description available on port type on port recognizes flow control packets and responds by pausing transmission. The port can generate flow control packets as necessary to slow incoming traffic. Gigabit ethernet fast ethernet off p...

  • Page 94

    94 c hapter 5: e thernet p orts ✓ layer 2 switching modules multilayer switching modules ethernet paceaccess configures the ethernet ports on layer 2 switching modules to support the pace ® interactive access feature, which ensures reliable timing by preventing excessive ethernet network jitter (the...

  • Page 95

    Ethernet flowcontrol 95 ethernet layer 2 switching modules ✓ multilayer switching modules paceinteractiveaccess configures the ethernet ports on multilayer switching modules to support the pace interactive access feature, which ensures reliable timing by preventing excessive ethernet network jitter ...

  • Page 96

    96 c hapter 5: e thernet p orts ✓ layer 2 switching modules ✓ multilayer switching modules ethernet label labels ethernet ports with a string of characters to help identify the kind of devices that are attached (for example, lans, workstations, or servers). Valid minimum abbreviation e l important c...

  • Page 97

    Ethernet portstate 97 ✓ layer 2 switching modules ✓ multilayer switching modules ethernet portstate enables or disables ethernet ports, controlling whether the ports send or receive frames. Valid minimum abbreviation e ports important consideration ■ when an ethernet port is enabled, frames are tran...

  • Page 98

    98 c hapter 5: e thernet p orts ethernet monitoring ✓ layer 2 switching modules multilayer switching modules summary displays state and statistical information for 10/100 mbps ethernet ports that are being monitored. Statistics include error count, excessive collisions, multiple collisions, late col...

  • Page 99

    Ethernet portstate 99 ethernet monitoring ✓ layer 2 switching modules multilayer switching modules mode enables or disables port monitoring on 10/100 mbps ethernet ports. Valid minimum abbreviation e m m important considerations ■ you can use this command to configure the same setting on multiple po...

  • Page 100

    100 c hapter 5: e thernet p orts.

  • Page 101: Ridge

    6 b ridge - wide p arameters this chapter provides guidelines and other key information about how use the administration console to configure bridge-wide parameters that relate to the following features: ■ spanning tree protocol (stp) ■ ip fragmentation ■ ipx snap translation ■ garp vlan registratio...

  • Page 102

    102 c hapter 6: b ridge - wide p arameters menu structure the following diagram shows an inclusive list of commands that stem from the bridge menu option at software release 3.0.5: this chapter addresses the bridge menu commands and their submenus, except for port, packetfilter, vlan, trunk , and li...

  • Page 103

    Bridge display 103 ✓ layer 2 switching modules ✓ multilayer switching modules bridge display displays bridge statistics and configuration information including spanning tree protocol (stp) parameter values. Valid minimum abbreviation b d fields in the bridge display field description addresscount nu...

  • Page 104

    104 c hapter 6: b ridge - wide p arameters bridgehellotime configurable time period in seconds that elapses between configuration messages when the bridge is the root bridge. (if the bridge is not the root bridge, the bridge uses the value shown in the hellotime field which is assigned to it by the ...

  • Page 105

    Bridge display 105 maxage time period in seconds that the bridge uses to discard stored configuration messages. The value is determined by the root bridge. Compare with the bridgemaxage field. Mode reflects that the bridge operates as a transparent bridge. Peakaddrcount reflects the highest number o...

  • Page 106

    106 c hapter 6: b ridge - wide p arameters bridge layer 2 switching modules ✓ multilayer switching modules ipfragmentation determines whether the fiber distributed data interface (fddi) and ethernet stations can communicate using ip when fddi stations transmit packets that are too large for ethernet...

  • Page 107

    Bridge display 107 bridge layer 2 switching modules ✓ multilayer switching modules ipxsnaptranslation translates 802.3_raw ipx packets to fddi_snap packets when they are forwarded from ethernet to fddi links, and vice versa when packets are forwarded from fddi to ethernet. Valid minimum abbreviation...

  • Page 108

    108 c hapter 6: b ridge - wide p arameters bridge layer 2 switching modules ✓ multilayer switching modules addressthreshold sets the reporting threshold for the number of ethernet addresses that are known on multilayer switching modules. When this threshold is reached, the module generates a trap ca...

  • Page 109

    Bridge agingtime 109 ✓ layer 2 switching modules ✓ multilayer switching modules bridge agingtime sets the maximum period (in seconds) for aging out (deleting) dynamic addresses from the address table. Valid minimum abbreviation b ag important considerations ■ use this parameter to configure the modu...

  • Page 110

    110 c hapter 6: b ridge - wide p arameters bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stpstate enables or disables the spanning tree protocol (stp) on the module. Valid minimum abbreviation b sp stps important considerations ■ the state of stp is configured in two...

  • Page 111

    Bridge spanningtree stppriority 111 bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stppriority modifies the bridge priority, which influences the choice of the root and designated bridge s. Valid minimum abbreviation b sp stpp important considerations ■ the bridge pri...

  • Page 112

    112 c hapter 6: b ridge - wide p arameters bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stpmaxage determines when the stored cpdu configuration message is discarded from the bridge’s memory if the bridge is the root bridge. The current value is shown in the bridgema...

  • Page 113

    Bridge spanningtree stphellotime 113 bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stphellotime sets the time between configuration messages that the bridge generates if it is operating as the root bridge. The current value is shown in the bridgehellotime field of th...

  • Page 114

    114 c hapter 6: b ridge - wide p arameters bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stpforwarddelay sets the amount of time that the bridge spends in each of the listening and learning states if it is the root bridge. The current value is shown in the bridgefwdd...

  • Page 115

    Bridge spanningtree stpgroupaddress 115 bridge spanningtree ✓ layer 2 switching modules ✓ multilayer switching modules stpgroupaddress sets the single address to which a bridge listens to receive spanning tree protocol (stp) information. Each stp bridge on the network sends stp packets to the group ...

  • Page 116

    116 c hapter 6: b ridge - wide p arameters layer 2 switching modules ✓ multilayer switching modules bridge gvrpstate enables or disables the garp vlan registration protocol (gvrp), which can help simplify management of vlan configurations in larger networks, and determines whether the virtual lan (v...

  • Page 117

    Bridge spanningtree stpgroupaddress 117 ✓ layer 2 switching modules multilayer switching modules bridge cos enable enables or disables ieee 802.1p class of service (cos) on layer 2 switching modules. Use this feature to help prioritize business-critical or time-sensitive traffic in your network. Val...

  • Page 118

    118 c hapter 6: b ridge - wide p arameters ✓ layer 2 switching modules multilayer switching modules bridge cos summary displays whether class of service (cos) is enabled or disabled on layer 2 switching modules; shows how the eight possible priority values are assigned (or, if cos is disabled, how t...

  • Page 119

    Bridge spanningtree stpgroupaddress 119 ✓ layer 2 switching modules multilayer switching modules bridge cos modify changes how the eight priority values (0 – 7) are assigned to each of the two hardware queues and changes the optional rate limit on queue 1 (the high priority queue) on layer 2 switchi...

  • Page 120

    120 c hapter 6: b ridge - wide p arameters bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules summary displays a summary of parameters related to the internet group management protocol (igmp) on layer 2 switching modules. Igmp conserves network bandwidth by directing ip m...

  • Page 121

    Bridge spanningtree stpgroupaddress 121 bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules snoopmode enables or disables the snooping (listening) function of the internet group management protocol (igmp) on layer 2 switching modules. Valid minimum abbreviation b mu i sn i...

  • Page 122

    122 c hapter 6: b ridge - wide p arameters bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules querymode enables or disables the querying function of the internet group management protocol (igmp) on layer 2 switching modules. From all igmp-capable devices on a given subnet...

  • Page 123

    Bridge spanningtree stpgroupaddress 123 bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules queryipaddress configures the source address that is inserted in igmp query packets from layer 2 switching modules. Valid minimum abbreviation b mu i queryi important considerations...

  • Page 124

    124 c hapter 6: b ridge - wide p arameters bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules vlans if igmp snooping is enabled, lists the vlan ids of vlans that are carrying ip multicast traffic on the layer 2 switching module. Valid minimum abbreviation b mu i v importa...

  • Page 125

    Bridge spanningtree stpgroupaddress 125 bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules groups displays ip multicast group and associated port information for selected vlans on layer 2 switching modules. Valid minimum abbreviation b mu i g important considerations ■ if...

  • Page 126

    126 c hapter 6: b ridge - wide p arameters bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules desquerier determines whether the layer 2 switching module is operating as the designated igmp querier for the selected vlan. Valid minimum abbreviation b mu i d important consid...

  • Page 127

    Bridge spanningtree stpgroupaddress 127 bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules rports lists the ports in the selected vlan on the layer 2 switching module that lead to ip multicast routers. Valid minimum abbreviation b mu i r important considerations ■ the mod...

  • Page 128

    128 c hapter 6: b ridge - wide p arameters bridge multicast igmp ✓ layer 2 switching modules multilayer switching modules qport displays the number of the port that receives incoming igmp queries for the selected vlan on a layer 2 switching module. Valid minimum abbreviation b mu i qp important cons...

  • Page 129: Ridge

    7 b ridge p ort p arameters this chapter provides key information about the commands that related to managing bridge port features. With the commands in this chapter, you can: ■ display summary and detail information about bridge ports ■ set per-port rate limits for broadcast and multicast traffic ■...

  • Page 130

    130 c hapter 7: b ridge p ort p arameters menu structure the following diagram shows an inclusive list of commands that stem from the bridge port menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logg...

  • Page 131

    Bridge port summary 131 ✓ layer 2 switching modules ✓ multilayer switching modules bridge port summary displays a summary of bridge port information, including the spanning tree protocol (stp) configurations for selected bridge ports. Valid minimum abbreviation b po su important considerations ■ for...

  • Page 132

    132 c hapter 7: b ridge p ort p arameters rxframes total number of frames that this bridge port received from its segment. However, unlike the rxframes field in the ethernet display which counts all frames, this field does not count frames in error. Thus, this value may be lower than the value shown...

  • Page 133

    Bridge port detail 133 ✓ layer 2 switching modules ✓ multilayer switching modules bridge port detail displays detailed information about bridge ports, including the spanning tree protocol (stp) configurations for the bridge port. Valid minimum abbreviation b po d important considerations ■ for resil...

  • Page 134

    134 c hapter 7: b ridge p ort p arameters portnumber logical index number that the module assigns to the bridge port, which may not correspond with the physical port number depending on your configuration. (for example, when you define a trunk, only the anchor port receives a portnumber.) as you add...

  • Page 135

    Bridge port detail 135 rxframes total number of frames that this bridge port received from its segment. However, unlike the rxframes field in the ethernet display which counts all frames, this field does not count frames in error. Thus, this value may be lower than the value shown in the rxframes fi...

  • Page 136

    136 c hapter 7: b ridge p ort p arameters srhoplimit (multilayer switching modules only) (not available at this release) state current stp operating state of the port: ■ blocking — the bridge continues to run stp on the port, but the bridge does not receive packets from the port, learn locations of ...

  • Page 137

    Bridge port detail 137 txframes number of frames that this port transmitted to its segment. This object counts a frame transmitted on the interface that corresponds to this port only if the frame is for a protocol that the local bridging function is processing (includes bridge management frames). Tx...

  • Page 138

    138 c hapter 7: b ridge p ort p arameters bridge port ✓ layer 2 switching modules ✓ multilayer switching modules multicastlimit sets a threshold value on a bridge port that affects the per-second forwarding rate of multicast or broadcast traffic. Valid minimum abbreviation b po m important considera...

  • Page 139

    Bridge port stpstate 139 ✓ layer 2 switching modules ✓ multilayer switching modules bridge port stpstate sets the spanning tree protocol (stp) state for one or more bridge ports. Enabling stp for ports is effective only if bridge-wide stp is also enabled. Valid minimum abbreviation b po stps importa...

  • Page 140

    140 c hapter 7: b ridge p ort p arameters ✓ layer 2 switching modules ✓ multilayer switching modules bridge port stpcost sets the path cost that the spanning tree protocol (stp) adds to the root cost field in a configuration message that the port receives. The module uses this value to determine the...

  • Page 141

    Bridge port stppriority 141 bridge port ✓ layer 2 switching modules ✓ multilayer switching modules stppriority sets the spanning tree protocol (stp) bridge port priority. This value influences the choice of port when the bridge has two or more ports that have the same path cost and that are connecte...

  • Page 142

    142 c hapter 7: b ridge p ort p arameters layer 2 switching modules ✓ multilayer switching modules bridge port gvrpstate allows ports on multilayer switching modules to send and receive garp vlan registration protocol (gvrp) updates, which can help simplify the management of ieee 802.1q vlan configu...

  • Page 143

    Bridge port address list 143 bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules list displays the mac addresses (canonical addresses) that are currently associated with selected bridge ports, as well as the address type (static or dynamic). Valid minimum abbreviation b po...

  • Page 144

    144 c hapter 7: b ridge p ort p arameters bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules add adds new mac addresses to the selected bridge ports as statically configured addresses. Valid minimum abbreviation b po a a important considerations ■ if you have multiple por...

  • Page 145

    Bridge port address remove 145 bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules remove removes individual mac addresses from the address table. Valid minimum abbreviation b po a r important consideration ■ this command is typically used to remove only static mac address...

  • Page 146

    146 c hapter 7: b ridge p ort p arameters bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules find displays the bridge port (as well as the vlan index number if the module is set to allclosed as the vlan mode) that is associated with a specified mac address. Valid minimum ...

  • Page 147

    Bridge port address flushall 147 bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules flushall removes all static and dynamic mac addresses from the bridge ports that you select. Static mac addresses are those that you specified using the bridge port address add option. Dyn...

  • Page 148

    148 c hapter 7: b ridge p ort p arameters bridge port address ✓ layer 2 switching modules ✓ multilayer switching modules flushdynamic removes all dynamic mac addresses from the bridge ports that you select. Dynamic mac addresses are those that the bridge learns by receiving and processing packets. V...

  • Page 149: Runking

    8 t runking (l ink a ggregation ) you can configure a module to aggregate multiple network links into a single trunk . With trunking (also called link aggregation ) you can increase the bandwidth of point-to-point connections without changing existing cabling or switch equipment. In addition, trunki...

  • Page 150

    150 c hapter 8: t runking (l ink a ggregation ) menu structure the following diagram shows an inclusive list of commands that stem from the bridge trunk menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which y...

  • Page 151

    151 bridge trunk ✓ layer 2 switching modules multilayer switching modules automap summary displays a list of slot numbers that have been selected to support automatic backplane trunking. Valid minimum abbreviation b t a important considerations ■ automatic backplane trunking is supported only throug...

  • Page 152

    152 c hapter 8: t runking (l ink a ggregation ) bridge trunk automap ✓ layer 2 switching modules multilayer switching modules enable/disable provides automatic backplane trunking on the switch fabric modules and managed switching modules. Valid minimum abbreviation b t a e important considerations ■...

  • Page 153

    153 bridge trunk ✓ layer 2 switching modules multilayer switching modules automap test indicates what happens when you do a reset on the switch fabric module when automap is enabled. Valid minimum abbreviation b t a t important consideration ■ after you enable or disable a module for automatic backp...

  • Page 154

    154 c hapter 8: t runking (l ink a ggregation ) bridge trunk ✓ layer 2 switching modules ✓ multilayer switching modules summary displays summary information about configured trunks on your module. In a summary report, the module displays the trunk name and index number, the ports defined in that tru...

  • Page 155

    Bridge trunk detail 155 ✓ layer 2 switching modules ✓ multilayer switching modules bridge trunk detail displays information that supplements the bridge trunk summary . Valid minimum abbreviation b t det fields in the bridge trunk detail display field description flowc for gigabit ethernet trunks, th...

  • Page 156

    156 c hapter 8: t runking (l ink a ggregation ) tcmpstate tcmp state for each port in the trunk: ■ notinuse — not selected for use in the trunk ■ selected — selected for use in the trunk, but not yet active in the trunk ■ inuse — active in the trunk trunk state state ( up or down ) of each port link...

  • Page 157

    Bridge trunk define 157 ✓ layer 2 switching modules ✓ multilayer switching modules bridge trunk define defines one or more trunks on the module. When you define a trunk, you specify ports and characteristics for the trunk. Valid minimum abbreviation b t def important considerations ■ if you have mor...

  • Page 158

    158 c hapter 8: t runking (l ink a ggregation ) ■ you must reboot the module at the end of the trunk definition process. (you can define multiple trunks in one bridge trunk define operation.) rebooting a module ( module reboot command) returns you to the management module cli prompt, which requires ...

  • Page 159

    Bridge trunk define 159 tcmp trunk control message protocol (tcmp). Performs the following functions: ■ detects and corrects trunks that violate configuration rules ■ ensures orderly activation and deactivation of trunk ports ■ enabled ■ disabled enabled prompt description possible values [default].

  • Page 160

    160 c hapter 8: t runking (l ink a ggregation ) ✓ layer 2 switching modules ✓ multilayer switching modules bridge trunk modify changes an existing trunk in either of two ways: ■ modifies one or more of its characteristics. ■ adds or removes a port from the trunk, as long as you maintain at least one...

  • Page 161

    Bridge trunk modify 161 ports total number of the bridge ports that you want to be part of the trunk ■ layer 2 modules support up to 4 trunk groups with up to 6 ports per trunk ■ multilayer modules support up to 3 trunk groups with up to 6 ports per trunk ■ the 24-port switch fabric module supports ...

  • Page 162

    162 c hapter 8: t runking (l ink a ggregation ) ✓ layer 2 switching modules ✓ multilayer switching modules bridge trunk remove removes a previously defined trunk. You can remove one or more trunks with this command. Valid minimum abbreviation b t r important considerations ■ because each gigabit eth...

  • Page 163: Esilient

    9 r esilient l inks resilient links is a feature that can help protect your network against the failure of an individual point-to-point cable link or device by providing a secondary backup link that is inactive until it is needed. This chapter provides key information about the administration consol...

  • Page 164

    164 c hapter 9: r esilient l inks menu structure the following diagram shows an inclusive list of commands that stem from the bridge link menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged in to...

  • Page 165

    165 ✓ layer 2 switching modules multilayer switching modules bridge link summary displays summary information about configured resilient links on layer 2 switching modules. In a summary report, the module displays the index number, link name, and whether the link is up or down. Valid minimum abbrevi...

  • Page 166

    166 c hapter 9: r esilient l inks ✓ layer 2 switching modules multilayer switching modules bridge link detail displays supplemental information to the bridge link summary for a layer 2 switching module. Valid minimum abbreviation b l det fields in the bridge link detail display field description act...

  • Page 167

    167 ✓ layer 2 switching modules multilayer switching modules bridge link define defines one or more links on a layer 2 switching module. When you define a link, you specify ports and characteristics for the link. Valid minimum abbreviation b l def important considerations ■ connect the network cable...

  • Page 168

    168 c hapter 9: r esilient l inks options prompt description possible values [default] resilient link name name of the link. Use quotation marks around any character string that contains spaces maximum 32 alphanumeric characters – main port main port that you want to be part of the link. Any of the ...

  • Page 169

    169 ✓ layer 2 switching modules multilayer switching modules bridge link linkstate sets the linkstate value (enabled or disabled) for a specific resilient link on a layer 2 switching module. Valid minimum abbreviation b l l important considerations ■ when the bridge link linkstate option is enabled,...

  • Page 170

    170 c hapter 9: r esilient l inks ✓ layer 2 switching modules multilayer switching modules bridge link activeport sets either the main port or the standby port of a resilient link pair as the active port. The active port carries the network traffic. Valid minimum abbreviation b l a options prompt de...

  • Page 171

    171 ✓ layer 2 switching modules multilayer switching modules bridge link modify modifies the link name, as well as the main port and standby port, of an existing resilient link pair on a layer 2 switching module. Valid minimum abbreviation b l m important considerations ■ connect the network cable t...

  • Page 172

    172 c hapter 9: r esilient l inks options prompt description possible values [default] resilient link name new resilient link name. Use quotation marks around any character string that has embedded spaces. Maximum 32 alphanumeric characters – main port new port to be the main port of the defined res...

  • Page 173

    173 ✓ layer 2 switching modules multilayer switching modules bridge link remove removes a previously defined resilient link pair on a layer 2 switching module. You can remove one or more resilient link pairs with this command. Valid minimum abbreviation b l r important consideration ■ removing one o...

  • Page 174

    174 c hapter 9: r esilient l inks.

  • Page 175: Irtual

    10 v irtual lan s (vlan s ) this chapter provides key information about the administration console commands that pertain to virtual lans (vlans). A vlan is roughly equivalent to a broadcast domain. A vlan interface is your module’s point of attachment to a vlan. A vlan and a vlan interface are analo...

  • Page 176

    176 c hapter 10: v irtual lan s (vlan s ) menu structure the following diagram shows an inclusive list of commands that stem from the bridge vlan menu at software release 3.0.5: the commands that are available for you to use depend on these factors: ■ the level of management access with which you lo...

  • Page 177

    Bridge vlan summary 177 ✓ layer 2 switching modules ✓ multilayer switching modules bridge vlan summary displays a summary of vlan information. In a summary report, the module displays the ports and protocols that are assigned to each vlan. Valid minimum abbreviations b v s (in allopen mode on all mo...

  • Page 178

    178 c hapter 10: v irtual lan s (vlan s ) options fields in the bridge vlan summary display prompt description possible values [default] vlan interface index index numbers of the vlan interfaces for which you want summary information ■ one or more selectable vlan interface index numbers ■ all ■ ? (f...

  • Page 179

    Bridge vlan summary 179 vid unique, user-defined integer (vlan id) that identifies this vlan. It is used by management operations. You can assign or modify a vid that is associated with a static vlan; you cannot modify the vid selected automatically after you define a router port ip interface, nor c...

  • Page 180

    180 c hapter 10: v irtual lan s (vlan s ) ✓ layer 2 switching modules ✓ multilayer switching modules bridge vlan detail displays detailed per-port information in addition to the vlan summary information. For the multilayer switching modules, this command also displays vlan statistics. Valid minimum ...

  • Page 181

    Bridge vlan detail 181 ■ gvrp is based on ieee 802.1q and allows for dynamic configuration of port-based vlans. Gvrp can help you simplify the management of vlan configurations in larger networks. Use the command bridge port gvrpstate to explicitly enable gvrp on the participating bridge ports and u...

  • Page 182

    182 c hapter 10: v irtual lan s (vlan s ) origin for all layer 2 switching modules, the vlan origin is always static , which indicates that the vlan was created by the user. For multilayer switching modules, the origin indicates one of the following: ■ static — the vlan was created statically (user-...

  • Page 183

    Bridge vlan detail 183 rxucastframes (multilayer switching modules only) number of received unicast frames tag type (multilayer switching modules only) whether tagging is set to none or 802.1q (ieee 802.1q tagging) txbcastbytes (multilayer switching modules only) number of transmitted broadcast byte...

  • Page 184

    184 c hapter 10: v irtual lan s (vlan s ) layer 2 switching modules ✓ multilayer switching modules bridge vlan define creates vlans on multilayer switching modules. When you explicitly configure a vlan on the module, you assign information such as a vlan id (vid), a set of bridge ports, and, optiona...

  • Page 185

    Bridge vlan detail 185 ■ if you plan for your vlan to include trunk ports, specify the anchor port (lowest-numbered port) that is associated with the trunk. For example, if ports 1 through 3 are associated with a trunk, specify 1 to define the vlan to include all of the physical ports in the trunk (...

  • Page 186

    186 c hapter 10: v irtual lan s (vlan s ) ■ when you use a multilayer switching module to establish routing between vlans on other switching modules, you can configure the backplane port of the multilayer switching module as part of the vlans and then define a routing interface for each vlan. One vl...

  • Page 187

    Bridge vlan detail 187 protocol suite (for vlans other than the default) one or more protocol suites that you want to specify for the vlan the default vlan always uses the protocol type unspecified. ■ ip ■ ipx ■ apple (for appletalk) ■ xns ■ decnet ■ sna ■ vines ■ x.25 ■ netbeui ■ unspecified (defau...

  • Page 188

    188 c hapter 10: v irtual lan s (vlan s ) procedure 1 enter the vlan identification (vid) number in the range 2 – 4094. 2 select the bridge ports. 3 select one or more protocol suites. If you select an ip protocol suite, proceed with step 4. If you did not choose an ip protocol suite for this interf...

  • Page 189

    Bridge vlan detail 189 bridge vlan define example this example shows the steps necessary to define a protocol-based vlan for ipx 802.3 on a multilayer switching module. In this example, only the backplane port (port 13) of the module has ieee 802.1q tagging; the front-panel ports in this vlan are no...

  • Page 190

    190 c hapter 10: v irtual lan s (vlan s ) ✓ layer 2 switching modules multilayer switching modules bridge vlan define creates a port-based vlan on layer 2 switching modules. When you configure a port-based vlan, you assign a vlan id (vid), a set of bridge ports, and, optionally, ieee 802.1q tagging....

  • Page 191

    Bridge vlan detail 191 options prompt description possible values [default] vid unique, user-defined integer used by global management operations ■ if the default vlan exists, 2– 4094 ■ if the default vlan does not exist, 1 to redefine the default vlan, or 2–4094 for other vlans next available vid b...

  • Page 192

    192 c hapter 10: v irtual lan s (vlan s ) procedure press return or enter to accept the default or existing values that appear in brackets [ ]. 1 enter the vlan identification (vid) number. 2 enter one or more port numbers. To assign all ports to the vlan, enter all 3 configure the per-port tagging....

  • Page 193

    Bridge vlan detail 193 layer 2 switching modules ✓ multilayer switching modules bridge vlan modify changes the definition of an existing port-based, protocol-based, or network-based vlan on a multilayer switching module. To modify an existing vlan on layer 2 switching modules, see the “bridge vlan m...

  • Page 194

    194 c hapter 10: v irtual lan s (vlan s ) options prompt description possible values [default] vlan interface index module-assigned index number that identifies a vlan ■ selectable vlan index ■ all ■ ? (for a list of selectable indexes) 1 (if you have only the default vlan) vid (for vlans other than...

  • Page 195

    Bridge vlan detail 195 modify layer 3 address (ip vlan) whether you want to modify the layer 3 information for the vlan avoid this mechanism and instead define multiple ip interfaces per vlan with ip interface define commands. ■ y (yes) ■ n (no) y layer 3 address and mask (ip vlan) optional fields (...

  • Page 196

    196 c hapter 10: v irtual lan s (vlan s ) ✓ layer 2 switching modules multilayer switching modules bridge vlan modify changes a port-based vlan definition on a layer 2 switching module. See “important considerations” for information on when changes take effect. To modify vlans on multilayer switchin...

  • Page 197

    Bridge vlan detail 197 bridge ports index numbers of the bridge ports that belong to the vlan. To add trunked ports, specify the anchor port of the trunk. ■ one or more index numbers of the ports that are available to be assigned to the vlan ■ all ■ ? (for a list of selectable ports) current ports i...

  • Page 198

    198 c hapter 10: v irtual lan s (vlan s ) ✓ layer 2 switching modules ✓ multilayer switching modules bridge vlan remove deletes a vlan definition from a module. Valid minimum abbreviation b v r important considerations ■ when you remove a vlan, the module prompts you to verify that you want to wait ...

  • Page 199

    Bridge vlan mode 199 ✓ layer 2 switching modules ✓ multilayer switching modules bridge vlan mode determines whether data with a unicast mac address can be forwarded between vlans. Valid minimum abbreviation b v mode important considerations ■ when you select a vlan mode, keep the following considera...

  • Page 200

    200 c hapter 10: v irtual lan s (vlan s ) layer 2 switching modules ✓ multilayer switching modules bridge vlan stpmode if allclosed mode is enabled, allows multilayer switching modules to ignore the spanning tree protocol (stp) state for ports in a specified vlan interface or all interfaces, for eit...

  • Page 201

    Bridge vlan mode 201 bridge vlan layer 2 switching modules ✓ multilayer switching modules vlanawaremode for compatibility purposes, allows the module to observe previous vlan resource usage and tagged-frame ingress rules for upgrades from release 2.X to 3.X. Valid minimum abbreviation b v v importan...

  • Page 202

    202 c hapter 10: v irtual lan s (vlan s ) options prompt description possible values [default] vlan aware mode whether all ports are tagging aware or only tagged ports are tagging aware ■ allports ■ taggedvlanports allports reboot system? Since changing the mode requires you to reboot, whether you w...

  • Page 203: Acket

    11 p acket f ilters this chapter provides guidelines and other key information about how to administer bridge packet filters, including the following tasks: ■ listing and displaying packet filters ■ creating, deleting, editing, and loading packet filters ■ assigning and unassigning packet filters ■ ...

  • Page 204

    204 c hapter 11: p acket f ilters menu structure the following diagram shows an inclusive list of commands that stem from the bridge packetfilter menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logg...

  • Page 205

    205 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules list lists the currently defined packet filters on multilayer switching modules. Valid minimum abbreviation b pa li bridge packet filter list example cb9000@slot3.1 [12-e/fen-tx-l3] (bridge/packetfilter: list packet fil...

  • Page 206

    206 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules display displays the contents of a specified packet filter on a multilayer switching module. Valid minimum abbreviation b pa di important considerations ■ possible values for filters ( n ) ...

  • Page 207

    207 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules create portgroup creates the portgroup ( rejdiffportgroup ) standard hardware filter on multilayer switching modules. Valid minimum abbreviation b pa c p important considerations ■ the portgroup (rejdiffportgroup) packe...

  • Page 208

    208 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules create custom creates a custom packet filter using the built-in editor on multilayer switching modules. Valid minimum abbreviation b pa c c important considerations ■ you can create custom ...

  • Page 209

    209 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules delete deletes the selected packet filter on multilayer switching modules. Valid minimum abbreviation b pa de important considerations ■ you cannot delete a filter if it is assigned. Before you can delete the filter, yo...

  • Page 210

    210 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules edit modifies an existing packet filter using the built-in editor on multilayer switching modules. Valid minimum abbreviation b pa e important considerations ■ the built-in editor is a simp...

  • Page 211

    211 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules load transfers a packet filter file from another host machine to a selected multilayer switching module. Valid minimum abbreviation b pa lo important considerations ■ the bridge packetfilter load command cannot be used ...

  • Page 212

    212 c hapter 11: p acket f ilters the syntax of the management module’s download command is: download module filter in the syntax of the download command, the user must specify the type of download ( filter ) and for which slot ( 6.01 ) the filter is destined even though the filter is not transferre...

  • Page 213

    213 . Cb9000@slot6.1 [12-e/fen-tx-l3] (bridge/packetfilter): list packet filter 1 - rejmulticast no port assignments menu options (corebuilder 9000-94dc8): ------------------------------ ----------- list - list all packet filters display - display a packet filter create - create a packet filter dele...

  • Page 214

    214 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules assign assigns a selected packet filter to a port or set of ports (port group) on a multilayer switching module. Valid minimum abbreviation b pa a important considerations ■ when you assign...

  • Page 215

    215 select path(s) identifier of the path to which you want to assign the selected filter ■ txa ■ txm ■ rxa ■ rxm ■ rxi ■ all ■ ? (for a list of valid paths) current valid selected path prompt description possible values [default].

  • Page 216

    216 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules unassign unassigns selected packet filter from one or more ports on a multilayer switching module. Valid minimum abbreviation b pa u important considerations ■ the packet filter that you wa...

  • Page 217

    217 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules portgroup list displays a list of currently defined port groups on a multilayer switching module. Valid minimum abbreviation b pa p l bridge packet filter port group list example in the example, the module has two port ...

  • Page 218

    218 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules portgroup display displays a packet filter port group on a multilayer switching module. Valid minimum abbreviation b pa p di important consideration ■ possible values for port groups ( n ) ...

  • Page 219

    219 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules portgroup create creates a packet filter port group on a multilayer switching module. Valid minimum abbreviation b pa p c important considerations ■ you can create up to 32 port groups, one for each bit in the 32-bit po...

  • Page 220

    220 c hapter 11: p acket f ilters bridge packetfilter layer 2 switching modules ✓ multilayer switching modules portgroup delete deletes a selected packet filter port group from a multilayer switching module. Valid minimum abbreviation b pa p de important considerations ■ when you delete port groups ...

  • Page 221

    221 bridge packetfilter layer 2 switching modules ✓ multilayer switching modules portgroup addport adds ports to an existing packet filter port group on a multilayer switching module. Valid minimum abbreviation b pa p a important considerations ■ you add ports to an existing group by entering port i...

  • Page 222

    222 c hapter 11: p acket f ilters bridge packetfilter portgroup layer 2 switching modules ✓ multilayer switching modules removeport removes ports from a packet filter port group on a multilayer switching module. Valid minimum abbreviation b pa p r important considerations ■ at least one group must e...

  • Page 223: Nternet

    12 i nternet p rotocol (ip) to route packets using the internet protocol (ip), you: ■ establish an ip routing interface ■ decide which ip options and routing protocols you want to use ■ enable ip routing an ip routing interface defines the relationship between an ip virtual lan (vlan) and the subnet...

  • Page 224

    224 c hapter 12: i nternet p rotocol (ip) menu structure the following diagram shows an inclusive list of commands that stem from the ip menu at software release 3.0.5: route menu display static remove flush default nodefault findroute interface menu summary detail define modify remove arpproxy broa...

  • Page 225

    225 the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged into the system management module. ■ the type of module to which you are connected. See the checklist at the beginning of each command description in this chapter for whet...

  • Page 226

    226 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface summary displays summary information about the ip interfaces that are configured on a multilayer switching module. Valid minimum abbreviation ip i su important considerations ■ when you en...

  • Page 227

    227 subnet mask 32-bit number that uses the same format and representation as an ip address. The subnet mask determines which bits in the ip address are interpreted as the network number, the subnetwork number, and the host number. Each ip address bit that corresponds to a 1 in the subnet mask is in...

  • Page 228

    228 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface detail displays detailed information about the specified interfaces or all interfaces on a multilayer switching module. Valid minimum abbreviation ip i det important consideration ■ when y...

  • Page 229

    229 state state of the ip interface. It indicates whether the interface is available for communications ( up ) or unavailable ( down ). Subnet mask 32-bit number that uses the same format and representation as an ip address. The subnet mask determines which bits in the ip address are interpreted as ...

  • Page 230

    230 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface define defines an ip interface on a multilayer switching module. To define an ip interface on a layer 2 switching module, see the “ip interface define” command next in this chapter. Valid ...

  • Page 231

    231 options prompt description possible values [default] ip address ip address of the interface, chosen from the range of addresses that the central agency assigned to your organization. A valid ip address in the range of addresses that are assigned to your organization – subnet mask 32-bit number t...

  • Page 232

    232 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface define defines an ip interface on a layer 2 switching module. To define an ip interface on a multilayer switching module, see the previous “ip interface define” command in this chapter. Va...

  • Page 233

    233 layer 2 switching modules ✓ multilayer switching modules ip interface modify changes the configuration of an interface that you have already defined on a multilayer switching module. Valid minimum abbreviation ip i m options prompt description possible values [default] ip interface index number ...

  • Page 234

    234 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface remove removes an ip interface from a multilayer switching module’s routing table. Valid minimum abbreviation ip i re important considerations ■ before you remove the interface, remove any...

  • Page 235

    235 layer 2 switching modules ✓ multilayer switching modules ip interface arpproxy on a per-interface basis, enables or disables arp proxy on a multilayer switching module. Arp proxy helps end stations on a subnetwork reach remote subnetworks that do not have routing capabilities or a default gatewa...

  • Page 236

    236 c hapter 12: i nternet p rotocol (ip) ip interface layer 2 switching modules ✓ multilayer switching modules broadcastaddress on a per-interface basis, assigns the broadcast address that a multilayer switching module uses to forward the received directed broadcasts and advertise routing informati...

  • Page 237

    237 ip interface layer 2 switching modules ✓ multilayer switching modules directedbroadcast specifies whether the forwarding of a directed broadcast (all 1s in the host portion of the address) is enabled or disabled for a specified interface on a multilayer switching module. A directed broadcast is ...

  • Page 238

    238 c hapter 12: i nternet p rotocol (ip) ip interface layer 2 switching modules ✓ multilayer switching modules icmpredirect enables or disables the transmission of an internet control message protocol (icmp) redirect to the sender of a frame. An icmp redirect indicates that there is a better gatewa...

  • Page 239

    239 options prompt description possible values [default] ip interfaces index number of the interfaces to which you want to enable or disable the transmission of an icmp redirect to the sender of a frame. (not applicable if you have more than one interface) ■ one or more selectable interface indexes ...

  • Page 240

    240 c hapter 12: i nternet p rotocol (ip) ip interface layer 2 switching modules ✓ multilayer switching modules icmprouterdiscovery enables or disables internet control message protocol (icmp) router discovery on a multilayer switching module. Icmp router discovery enables hosts that are attached to...

  • Page 241

    241 options prompt description possible values [default] ip interfaces index number of the interfaces for which you want to enable or disable icmp router discovery. (not applicable if you have more than one interface) ■ one or more selectable interface indexes ■ all ■ ? (for a list of selectable int...

  • Page 242

    242 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip interface statistics displays ip interface statistics on a per-interface basis on a multilayer switching module. Valid minimum abbreviation ip i st important considerations ■ the module prompts you ...

  • Page 243

    243 insamesegment number of packets that were received on an interface and that need to be forwarded out on the same interface inttlexceeds number of packets that were received on an interface and that need to be forwarded, but that have an ip header ttl value of less than 2 outdiscards number of pa...

  • Page 244

    244 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip route display displays a multilayer switching module’s routing table to determine which routes to other ip networks are configured and whether the routes are operational. Valid minimum abbreviation ...

  • Page 245

    245 status for routes field description direct route is for a directly connected network learned route was learned using indicated protocol learned rip-zombie route was learned but is partially timed out. This condition is applied to all learned routes reached by an interface gateway which is in the...

  • Page 246

    246 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip route static defines a static route on a multilayer switching module. Valid minimum abbreviation ip route s important considerations ■ before you can define static routes, you must define at least o...

  • Page 247

    247 layer 2 switching modules ✓ multilayer switching modules ip route remove deletes an existing route on a multilayer switching module. Valid minimum abbreviation ip route r important consideration ■ when you enter the command, the module deletes the route immediately from the routing table. You ar...

  • Page 248

    248 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip route flush deletes all learned routes from the routing table on a multilayer switching module. Valid minimum abbreviation ip route fl important considerations ■ the module flushes all learned route...

  • Page 249

    249 layer 2 switching modules ✓ multilayer switching modules ip route default adds a default route to the routing table on a multilayer switching module immediately. Valid minimum abbreviation ip route de important considerations ■ if you define a default route, the module uses it to forward packets...

  • Page 250

    250 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip route nodefault deletes the default route on a multilayer switching module. Valid minimum abbreviation ip route n important consideration ■ the module deletes the default route from the routing tabl...

  • Page 251

    251 layer 2 switching modules ✓ multilayer switching modules ip route findroute searches for a route in the routing table of a multilayer switching module. Valid minimum abbreviation ip route fi important considerations ■ this command enables you to find a route using an ip address or a host name, a...

  • Page 252

    252 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip arp display displays the contents of the address resolution protocol (arp) cache for each interface on a multilayer switching module. Valid minimum abbreviation ip ar d important considerations ■ th...

  • Page 253

    253 layer 2 switching modules ✓ multilayer switching modules ip arp static defines a static address resolution protocol (arp) cache entry on a multilayer switching module. Valid minimum abbreviation ip ar s important considerations ■ you can define up to 64 entries. Options prompt description possib...

  • Page 254

    254 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip arp remove deletes an entry from the address resolution protocol (arp) cache (for example, if the mac address has changed) on a multilayer switching module. Valid minimum abbreviation ip ar rem impo...

  • Page 255

    255 layer 2 switching modules ✓ multilayer switching modules ip arp flushall deletes all entries from the address resolution protocol (arp) cache on a multilayer switching module. Valid minimum abbreviation ip ar flusha important considerations ■ to flush dynamic entries only, see “ip arp flushdynam...

  • Page 256

    256 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip arp flushdynamic deletes all dynamic (learned) entries from the address resolution protocol (arp) cache on a multilayer switching module. Valid minimum abbreviation ip ar flushd important considerat...

  • Page 257

    257 layer 2 switching modules ✓ multilayer switching modules ip arp age sets the age time for dynamic address resolution protocol (arp) cache entries on a multilayer switching module. Valid minimum abbreviation ip ar a important considerations ■ the age time determines how long, in minutes, that the...

  • Page 258

    258 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip arp statistics displays detailed information about the specified interfaces or all interfaces on a multilayer switching module. Valid minimum abbreviation ip ar status important considerations ■ you...

  • Page 259

    259 inrequests arp request frames that were received on an ip interface outifdown failure of the module to send one of the following three frames because the state of the ip interface was down : ■ arp request ■ arp reply ■ ip frame to be forwarded (pending arp resolution) outmemerrors failure of the...

  • Page 260

    260 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip dns display displays the current domain name and the name servers that are associated with it. Valid minimum abbreviation ip d di important considerations ■ the domain name system (dns) client provi...

  • Page 261

    261 layer 2 switching modules ✓ multilayer switching modules ip dns domainname changes the name of a currently defined domain. Valid minimum abbreviation ip d do important considerations ■ you can specify a domain name with up to 79 alphanumeric characters. ■ use single quotation marks (‘ ‘) around ...

  • Page 262

    262 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip dns define defines a new name server ip address to associate with the current domain name. Valid minimum abbreviation ip d de important considerations ■ when the module accepts the new ip address, i...

  • Page 263

    263 layer 2 switching modules ✓ multilayer switching modules ip dns modify modifies a currently defined name server ip address. Valid minimum abbreviation ip d m important considerations ■ when you enter the command, the module displays the list of name server addresses and the index number that is ...

  • Page 264

    264 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip dns remove deletes a previously defined name server ip address. Valid minimum abbreviation ip d r important consideration ■ when you enter the command, the module displays the list of name server ad...

  • Page 265

    265 layer 2 switching modules ✓ multilayer switching modules ip dns nslookup maps an ip address to a host name or a host name to an ip address on a name server. Valid minimum abbreviation ip d n important considerations ■ specify a host name or ip address at the prompt. ■ enter a string of up to 255...

  • Page 266

    266 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip udphelper display displays the bootp (bootstrap protocol) hop count and the threshold configuration. Also lists the ports with their ip forwarding addresses that are defined on your multilayer switc...

  • Page 267

    267 layer 2 switching modules ✓ multilayer switching modules ip udphelper define defines port numbers or ip forwarding addresses for the udp helper. Valid minimum abbreviation ip u de important considerations ■ you can have up to 63 combinations of port numbers and ip forwarding addresses per router...

  • Page 268

    268 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip udphelper remove removes a port number or ip forwarding address that has been defined for udp helper. Valid minimum abbreviation ip u r important consideration ■ the module immediately removes the p...

  • Page 269

    269 ip udphelper layer 2 switching modules ✓ multilayer switching modules hopcountlimit sets the maximum hop count to specify how many steps the module uses to forward a packet through the router. Valid minimum abbreviation ip u h options prompt description possible values [default] bootp hop count ...

  • Page 270

    270 c hapter 12: i nternet p rotocol (ip) ip udphelper layer 2 switching modules ✓ multilayer switching modules threshold sets the maximum number of times that the module forwards a packet to the network. Valid minimum abbreviation ip u t important consideration ■ by default, there is no threshold (...

  • Page 271

    271 ip udphelper layer 2 switching modules ✓ multilayer switching modules interface first configures udp helper to support overlapped ip interfaces by using the first interface. Valid minimum abbreviation ip u i f important considerations ■ overlapped ip interfaces are multiple logical interfaces th...

  • Page 272

    272 c hapter 12: i nternet p rotocol (ip) ip udphelper layer 2 switching modules ✓ multilayer switching modules interface even configures udp helper to support overlapped ip interfaces by evenly distributing interfaces. Valid minimum abbreviation ip u i e important considerations ■ the value even di...

  • Page 273

    273 ip udphelper layer 2 switching modules ✓ multilayer switching modules interface sequential configures udp helper to support overlapped ip interfaces by distributing the interfaces sequentially. Valid minimum abbreviation ip u i s important considerations ■ the value sequential directs the module...

  • Page 274

    274 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip routing controls whether a multilayer switching module forwards or discards ip packets that are addressed to other hosts. Valid minimum abbreviation ip routi important considerations ■ when you enab...

  • Page 275

    275 layer 2 switching modules ✓ multilayer switching modules ip rip display displays information about the routing information protocol (rip) interfaces on the module. Rip is one of the ip interior gateway protocols (igps). When rip is enabled, the module dynamically configures its routing tables. V...

  • Page 276

    276 c hapter 12: i nternet p rotocol (ip) fields in the ip rip display field description advertisement addresses list of available advertisement addresses. The list is used for rip-2 updates only if the rip-1 compatibility mode is enabled. Rip-1 always uses advertisement addresses. Cost rip cost for...

  • Page 277

    277 layer 2 switching modules ✓ multilayer switching modules ip rip mode on a per-interface basis, sets one of four rip version 1 (rip-1) modes on a multilayer switching module. Valid minimum abbreviation ip ri m important considerations ■ for each interface, you select a rip version 1 mode. The def...

  • Page 278

    278 c hapter 12: i nternet p rotocol (ip) ip rip layer 2 switching modules ✓ multilayer switching modules compatibilitymode on a per-interface basis, sets the rip version 1 compatibility mode on a multilayer switching module. Valid minimum abbreviation ip ri com important considerations ■ the rip-1 ...

  • Page 279

    279 layer 2 switching modules ✓ multilayer switching modules ip rip cost sets the rip cost on a per-interface basis for a multilayer switching module. Valid minimum abbreviation ip ri cos important considerations ■ the default cost value is 1 , which is appropriate for most networks. ■ the module us...

  • Page 280

    280 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip rip poisonreverse enables or disables rip poison reverse mode on a multilayer switching module. Valid minimum abbreviation ip ri poi important considerations ■ your module always implements split ho...

  • Page 281

    281 ip rip routeaggregation layer 2 switching modules ✓ multilayer switching modules mode sets the route aggregation mode on a multilayer switching module. Valid minimum abbreviation ip ri ro important considerations ■ route aggregation mode determines which route table entries are sent during a rip...

  • Page 282

    282 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip rip password sets the ip rip-2 password on a multilayer switching module so that you can choose the ip interfaces that can put rip-2 updates into their routing tables. Valid minimum abbreviation ip ...

  • Page 283

    283 ip rip layer 2 switching modules ✓ multilayer switching modules addadvertisement adds an advertisement address to an ip rip interface on a multilayer switching module. Valid minimum abbreviation ip ri a important considerations ■ the module uses the specified advertisement address to advertise r...

  • Page 284

    284 c hapter 12: i nternet p rotocol (ip) ip rip remove layer 2 switching modules ✓ multilayer switching modules advertisement removes an advertisement address from the list of rip advertisement addresses for an interface on a multilayer switching module. Valid minimum abbreviation ip ri re options ...

  • Page 285

    285 layer 2 switching modules ✓ multilayer switching modules ip rip policy summary displays summary information about rip routing policies on a multilayer switching module. Valid minimum abbreviation ip ri pol s important considerations ■ your module has one unified ip routing table. Route policies ...

  • Page 286

    286 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip rip policy detail displays detailed information about rip routing policies on a multilayer switching module. Valid minimum abbreviation ip ri pol det important considerations ■ this display suppleme...

  • Page 287

    287 layer 2 switching modules ✓ multilayer switching modules ip rip policy define defines an import or export route policy for rip on a multilayer switching module. Valid minimum abbreviation ip ri pol def important considerations ■ route policies are classified as follows: ■ import policies import ...

  • Page 288

    288 c hapter 12: i nternet p rotocol (ip) options prompt description possible values [default] policy type type of policy ■ import ■ export import origin protocols which protocol advertises the route (for export policies only) ■ direct ■ static ■ rip ■ ospf ■ all static source address router’s ip ad...

  • Page 289

    289 rip import policy conditions for specified interfaces source router route (address/mask) action description specified router specified route/mask accept accept specified route from specified source router on specified interfaces with or without metric adjustments (+, -, *, /, %). Specified route...

  • Page 290

    290 c hapter 12: i nternet p rotocol (ip) rip export policy conditions for specified interfaces example of import policy select menu option (ip/rip/policy): define enter policy type (import,export) [import]: import enter source address [0.0.0.0]: enter route address [0.0.0.0]: 158.101.135.40 enter r...

  • Page 291

    291 layer 2 switching modules ✓ multilayer switching modules ip rip policy modify modifies an existing route policy for rip on a multilayer switching module. Valid minimum abbreviation ip ri pol m important considerations ■ route policies are classified as follows: ■ import policies import routing i...

  • Page 292

    292 c hapter 12: i nternet p rotocol (ip) ip interfaces index number of the interface for which you want to define a routing policy. ■ one or more valid indexes ■ all ■ ? (for a list of valid indexes) previous entry, if applicable policy action whether the route is accepted or rejected ■ accept ■ re...

  • Page 293

    293 layer 2 switching modules ✓ multilayer switching modules ip rip policy remove deletes a previously defined route policy on a multilayer switching module. Valid minimum abbreviation ip rip pol r important considerations ■ when you remove a policy, the associated index is available for future use....

  • Page 294

    294 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip rip statistics displays general rip statistics for a multilayer switching module. Valid minimum abbreviation ip rip s fields in the ip rip statistics display field description queries number of quer...

  • Page 295

    295 layer 2 switching modules ✓ multilayer switching modules ip ping attempts to reach a specified destination by sending default icmp echo request packets to that destination and awaiting a response. Valid minimum abbreviation ip p important considerations ■ this tool is useful for network testing,...

  • Page 296

    296 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip advancedping attempts to reach a specified destination by sending customized icmp echo request packets to that destination and awaiting a response. Valid minimum abbreviation ip advancedp important ...

  • Page 297

    297 burst transmit ping mode how rapidly to send out icmp echo request packets. When enabled , sends out the icmp echo request packets as rapidly as possible. The module displays a period (.) upon receiving an icmp echo replay packet. Use this display to determine how many packets are being dropped ...

  • Page 298

    298 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip traceroute tracks a route from multilayer switching module to a specified destination using default options. Valid minimum abbreviation ip t important considerations ■ traceroute information include...

  • Page 299

    299 ■ when you specify a host name, the host name and its associated ip address must be configured on a network name server. Also, you must add the ip address on the name server to the list of name server addresses that are associated with the network domain name. See “ip dns domainname” earlier in ...

  • Page 300

    300 c hapter 12: i nternet p rotocol (ip) ip layer 2 switching modules ✓ multilayer switching modules advancedtraceroute tracks a route from a multilayer switching module to a destination using one or more of the advanced traceroute options. Valid minimum abbreviation ip advancedt important consider...

  • Page 301

    301 interface index index number of the source ip address that you want to use the module lists defined interfaces and their indexes a valid interface index 0 (the router picks the best interface) numeric mode whether the module shows hop addresses numerically or symbolically ■ disabled ■ enabled di...

  • Page 302

    302 c hapter 12: i nternet p rotocol (ip) layer 2 switching modules ✓ multilayer switching modules ip statistics displays different types of ip statistics, including those specific to the user datagram protocol (udp) and the internet control message protocol (icmp). Valid minimum abbreviation ip sta...

  • Page 303

    303 fields in the udp statistics display fields in the icmp statistics display outnoroutes number of datagrams that the ip station discarded because there was no route to the destination outrequests number of datagrams that local ip client protocols passed to ip for transmission reasmfails number of...

  • Page 304

    304 c hapter 12: i nternet p rotocol (ip) intimeexcds number of icmp time exceeded packets that were received intimestamps number of icmp time stamp request packets that were received intimestampsreps number of icmp time stamp reply packets messages number of icmp packets that were received outaddrm...

  • Page 305: Irtual

    13 v irtual r outer r edundancy (vrrp) virtual router redundancy protocol (vrrp) provides fault-tolerant routing on a lan by eliminating the point of failure that exists when hosts are configured with a static default gateway. This chapter provides key information about configuring vrrp options on m...

  • Page 306

    306 c hapter 13: v irtual r outer r edundancy (vrrp) menu structure the following diagram shows an inclusive list of commands that stem from the ip vrrp menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which y...

  • Page 307

    307 layer 2 switching modules ✓ multilayer switching modules ip vrrp summary displays summary information about the virtual routers that are configured on your multilayer switching module. Valid minimum abbreviation ip v s options fields in the ip vrrp summary display prompt description possible val...

  • Page 308

    308 c hapter 13: v irtual r outer r edundancy (vrrp) pri priority of the virtual router. Represented by a value from 0 through 255 . Used in master router election. Value of 255 indicates that the router owns the ip addresses that are associated with the virtual router. 0 indicates that the current ...

  • Page 309

    309 layer 2 switching modules ✓ multilayer switching modules ip vrrp detail displays summary information and detailed statistics for the specified virtual router on a multilayer switching module. Valid minimum abbreviation ip v det important consideration ■ this option displays both the summary info...

  • Page 310

    310 c hapter 13: v irtual r outer r edundancy (vrrp) authfailures total number of vrrp advertisements that this virtual router has received that did not have the correct simple text authentication password becomemaster total number of times that this virtual router has changed to the master state er...

  • Page 311

    311 state current state of the vrrp router. One of the following: ■ master — in this state, the router is the active forwarding router for all ip addresses that are associated with the virtual router. ■ backup — in this state, the router monitors the availability of the master router. If the master ...

  • Page 312

    312 c hapter 13: v irtual r outer r edundancy (vrrp) layer 2 switching modules ✓ multilayer switching modules ip vrrp define defines a virtual router on a multilayer switching module. Valid minimum abbreviation ip v def important considerations ■ authentication passwords can be up to eight alphanume...

  • Page 313

    313 ■ when you define a primary virtual router, selecting auto-learn as the address mode automatically adds all ip addresses that are associated with the selected vlan to the primary virtual router. ■ when you define a primary virtual router on a vlan that contains a single interface, the single int...

  • Page 314

    314 c hapter 13: v irtual r outer r edundancy (vrrp) vrid virtual router identifier. Identifies the virtual router that you want to define on the lan. 1 – 255 1 address mode method by which the virtual router you want to define learns its ip addresses ■ auto-learn ■ ip address auto-learn advertise i...

  • Page 315

    315 layer 2 switching modules ✓ multilayer switching modules ip vrrp modify modifies an existing virtual router configuration on a multilayer switching module. Valid minimum abbreviation ip v modi important considerations ■ authentication passwords can be up to eight alphanumeric characters. ■ regar...

  • Page 316

    316 c hapter 13: v irtual r outer r edundancy (vrrp) ■ when you define a primary virtual router, selecting auto-learn as the address mode automatically adds all ip addresses that are associated with the selected vlan to the primary virtual router. ■ when you define a primary router on a vlan that co...

  • Page 317

    317 virtual router type type of virtual router that you want to define ■ primary ■ backup primary address mode method by which the virtual router you want to define learns its ip addresses ■ auto-learn ■ ip address auto-learn advertise interval time between virtual router advertisements. 1 – 255 sec...

  • Page 318

    318 c hapter 13: v irtual r outer r edundancy (vrrp) layer 2 switching modules ✓ multilayer switching modules ip vrrp remove removes one or more existing virtual routers from a multilayer switching module. Valid minimum abbreviation ip v r important consideration ■ if you attempt to remove a virtual...

  • Page 319

    319 layer 2 switching modules ✓ multilayer switching modules ip vrrp mode enables or disables a configured virtual router on a multilayer switching module. Valid minimum abbreviation ip v mode important considerations ■ you must configure the virtual router before you can enable it. ■ you cannot mod...

  • Page 320

    320 c hapter 13: v irtual r outer r edundancy (vrrp) layer 2 switching modules ✓ multilayer switching modules ip vrrp neighbor displays a list of neighboring virtual routers to a multilayer switching module. Valid minimum abbreviation ip v n important considerations ■ any locally defined virtual rou...

  • Page 321

    321 layer 2 switching modules ✓ multilayer switching modules ip vrrp statistics displays general vrrp statistics for the virtual router on a multilayer switching module. Valid minimum abbreviation ip v st fields in the ip vrrp statistics display field description cksumerrors total number of vrrp adv...

  • Page 322

    322 c hapter 13: v irtual r outer r edundancy (vrrp).

  • Page 323: Ip M

    14 ip m ulticast an increasing number of applications use ip multicast as the delivery mechanism because it is an efficient way to distribute information across a network from a small number of sources (usually servers) to a dispersed user community. This chapter provides key information about the i...

  • Page 324

    324 c hapter 14: ip m ulticast menu structure the following diagram shows an inclusive list of commands that stem from the ip multicast menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged into th...

  • Page 325

    325 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules interface summary displays summary information about ip interfaces on a multilayer switching module that may be operating as ip multicast routing interfaces using the distance-vector multicast routing protocol (dvmrp). V...

  • Page 326

    326 c hapter 14: ip m ulticast ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules interface detail displays information about ip interfaces on a multilayer switching module that may be operating as ip multicast routing interfaces using the distance-vector multicast routing p...

  • Page 327

    327 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules interface mode enables or disables the distance-vector multicast routing protocol (dvmrp) per routing interface on a multilayer switching module. This protocol facilitates router-to-router communication for building sour...

  • Page 328

    328 c hapter 14: ip m ulticast ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules interface metric modifies the dvmrp metric on an interface for which dvmrp is enabled. Valid minimum abbreviation ip m d i m important considerations ■ use this command if you want to modify th...

  • Page 329

    329 ip multicast dvmrp interface layer 2 switching modules ✓ multilayer switching modules defaultroute configures a default dvmrp route for ip multicast traffic on a dvmrp interface on a multilayer switching module. This interface advertises itself as a default route to neighboring dvmrp routers. Va...

  • Page 330

    330 c hapter 14: ip m ulticast options prompt definition possible values [default] interface index number of the routing interface on which you want to configure a default route ■ a valid interface index number ■ ? (for a list of selectable indexes) 1 (factory default), or current value default metr...

  • Page 331

    331 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels summary summaries key information about dvmrp tunnel end points that are configured on a multilayer switching module. Valid minimum abbreviation ip m d t s important considerations ■ tunnels enable ip multicast s...

  • Page 332

    332 c hapter 14: ip m ulticast fields in the ip multicast dvmrp tunnels summary display field description index tunnel index number, which is different from the routing interface index number that is shown under index in other displays. Local address ip address of the local interface that serves as ...

  • Page 333

    333 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels define defines one end point of a dvmrp tunnel. The other tunnel end point lies on an ip multicast routing interface on a different system and subnetwork. One or more unicast routers lie between these tunnel end ...

  • Page 334

    334 c hapter 14: ip m ulticast options prompt description possible values [default] interface index number of the interface on which you want to create a dvmrp tunnel end point ■ a valid ip interface index number ■ ? (for a list of selectable indexes) – remote address ip address of the remote multic...

  • Page 335

    335 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels remove deletes a dvmrp tunnel configuration (tunnel end point) from a multilayer switching module. Valid minimum abbreviation ip m d t r important considerations ■ to remove a tunnel, specify its tunnel index num...

  • Page 336

    336 c hapter 14: ip m ulticast ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels address modifies the remote ip address that is defined in an existing dvmrp tunnel configuration on a multilayer switching module. Valid minimum abbreviation ip m d t a important consid...

  • Page 337

    337 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels threshold modifies the time-to-live (ttl) threshold on an existing dvmrp tunnel configuration on a multilayer switching module. Valid minimum configuration ip m d t t important consideration ■ when you first defi...

  • Page 338

    338 c hapter 14: ip m ulticast ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels metric modifies the metric or “cost” of an existing dvmrp tunnel configuration on a multilayer switching module. Valid minimum configuration ip m d t m important consideration ■ when yo...

  • Page 339

    339 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules tunnels defaultroute configures a dvmrp tunnel to function as a default route for ip multicast traffic on a dvmrp interface. This tunnel advertises itself as a default route to neighboring dvmrp routers. Valid minimum ab...

  • Page 340

    340 c hapter 14: ip m ulticast options prompt definition possible values [default] tunnel index number of the routing tunnel on which you want to configure a default route ■ a valid tunnel index number ■ ? (for a list of selectable indexes) 1 (factory default), or current value default metric value ...

  • Page 341

    341 ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules routedisplay displays ip multicast route information that a multilayer switching module has learned via dvmrp protocol communication. Valid minimum abbreviation ip m d r important consideration ■ the module uses the info...

  • Page 342

    342 c hapter 14: ip m ulticast ip multicast dvmrp layer 2 switching modules ✓ multilayer switching modules cache displays the dvmrp cache, which is a collection of information about the ip multicast packets that have been processed by the multilayer switching module. Valid minimum abbreviation ip m ...

  • Page 343

    343 invif interface that receives incoming ip multicast traffic from the spanning tree for the source, subnetwork, and group listed on the left. The interface is presented as an index number and either an i or a t precedes the index number. An i precedes a routing interface index number. A t precede...

  • Page 344

    344 c hapter 14: ip m ulticast ip multicast igmp layer 2 switching modules ✓ multilayer switching modules interface summary summarizes key information about interfaces on a multilayer switching module that can use the internet group management protocol (igmp) to collect ip multicast group informatio...

  • Page 345

    345 ip multicast igmp layer 2 switching modules ✓ multilayer switching modules interface detail supplements the ip multicast igmp interface summary display with group and port information. Valid minimum abbreviation ip m i i d fields in the ip multicast igmp interface detail display field descriptio...

  • Page 346

    346 c hapter 14: ip m ulticast ip multicast igmp layer 2 switching modules ✓ multilayer switching modules interface ttl modifies the time-to-live (ttl) threshold of a given interface on a multilayer switching module. The interface compares the ttl value in each ip multicast packet against its ttl th...

  • Page 347

    347 ip multicast igmp layer 2 switching modules ✓ multilayer switching modules snooping enables or disables the module’s ability to understand the internet group management protocol (igmp) and, specifically, to listen for and examine igmp packets. This activity determines whether ip multicast group ...

  • Page 348

    348 c hapter 14: ip m ulticast ip multicast igmp layer 2 switching modules ✓ multilayer switching modules querying enables or disables a multilayer switching module’s ability to operate as the internet group management protocol (igmp) querier if so elected by other igmp-capable devices in the subnet...

  • Page 349

    349 layer 2 switching modules ✓ multilayer switching modules ip multicast cache displays information about ip multicast traffic that has been processed by the multilayer switching module. For more detailed cache information, review the dvmrp cache. (see “ip multicast dvmrp cache” earlier in this cha...

  • Page 350

    350 c hapter 14: ip m ulticast ip multicast layer 2 switching modules ✓ multilayer switching modules traceroute provides a method for tracing the path that an ip multicast packet takes from a source to a particular receiver. Unlike unicast ip traceroute, multicast traceroute works in the reverse and...

  • Page 351: Pen

    15 o pen s hortest p ath f irst (ospf) this chapter describes commands that you can use to configure open shortest path first (ospf) routing on a multilayer switching module. For more information about administering ospf routing, see the switch 4007 implementation guide . The switch 4007 software an...

  • Page 352

    352 c hapter 15: o pen s hortest p ath f irst (ospf) top-level menu module ethernet bridge ➧ ip ipx appletalk qos snmp analyzer disconnect ospf menu ➧ areas ➧ defaultroutemetric ➧ interface ➧ linkstatedata ➧ neighbors routerid ➧ partition ➧ stubdefaultmetric ➧ virtuallinks ➧ policy statistics ip men...

  • Page 353

    353 layer 2 switching modules ✓ multilayer switching modules ip ospf areas display displays a list of existing ospf areas. Valid minimum abbreviation ip o a di fields in the ip ospf areas display field description advertise whether the network range is advertised ( y ) or not ( n ) areaid area ident...

  • Page 354

    354 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf areas layer 2 switching modules ✓ multilayer switching modules definearea defines an ospf area. Valid minimum abbreviation ip o a de important considerations ■ the backbone area 0.0.0.0 is configured by default. ■ the area id must be uniqu...

  • Page 355

    355 ip ospf areas layer 2 switching modules ✓ multilayer switching modules modifyarea modifies an existing ospf area. Valid minimum abbreviation ip o a modifya options prompt description possible values [default] area index number of the area that you want to modify ■ valid area index number ■ ? (fo...

  • Page 356

    356 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf areas layer 2 switching modules ✓ multilayer switching modules removearea removes an existing ospf area. Valid minimum abbreviation ip o a removea options prompt description possible values [default] area index number of the area that you ...

  • Page 357

    357 ip ospf areas layer 2 switching modules ✓ multilayer switching modules addrange adds a range to an existing ospf area. Valid minimum abbreviation ip o a a options prompt description possible values [default] area index number of the area to which you want to add the range ■ valid area index numb...

  • Page 358

    358 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf areas layer 2 switching modules ✓ multilayer switching modules modifyrange modifies an ospf area range. Valid minimum abbreviation ip o a modifyr options prompt description possible values [default] area index number of the area that conta...

  • Page 359

    359 ip ospf areas layer 2 switching modules ✓ multilayer switching modules removerange removes an ospf area range. Valid minimum abbreviation ip o a remover options prompt description possible values [default] area index number of the area that contains the range that you want to delete ■ valid area...

  • Page 360

    360 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf defaultroutemetric layer 2 switching modules ✓ multilayer switching modules display displays the cost of a default route. Valid minimum abbreviation ip o d di important considerations ■ if a default metric is not defined, the router does n...

  • Page 361

    361 ip ospf defaultroutemetric layer 2 switching modules ✓ multilayer switching modules define defines the default route metric for the router. Valid minimum abbreviation ip o d de important considerations ■ if a default metric is not defined, the router does not advertise itself as the default rout...

  • Page 362

    362 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf defaultroutemetric layer 2 switching modules ✓ multilayer switching modules remove removes the default route metric. Valid minimum abbreviation ip o d r important considerations ■ if a default metric is not defined, the router does not adv...

  • Page 363

    363 ip ospf interface layer 2 switching modules ✓ multilayer switching modules summary displays summary information for the ospf interface configuration on a multilayer switching module. Valid minimum abbreviation ip o i su fields in the ip ospf interface summary display field description areaid osp...

  • Page 364

    364 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules detail displays summary and detailed information for the ospf interface configuration on a multilayer switching module. Valid minimum abbreviation ip o i det important cons...

  • Page 365

    365 state interface state: ■ disabled — ospf is not enabled on the interface. ■ down — interface is down, but ospf is enabled on it. ■ loopback — interface is a loopback interface. ■ waiting — router is trying to determine the identity of the dr and bdr on the network. ■ ptp — interface is operation...

  • Page 366

    366 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules statistics displays statistics that are associated with specified ospf interfaces on a multilayer switching module. Valid minimum abbreviation ip o i st options fields in t...

  • Page 367

    367 mismatchdead number of router dead interval mismatches that were detected interpretation: ■ a non-zero value is bad and means that some ospf routers on the interface are configured with a different dead interval than this router. This prevents the router from becoming a neighbor with these other...

  • Page 368

    368 c hapter 15: o pen s hortest p ath f irst (ospf) receiveerror number of general receive errors. Interpretation: ■ a non-zero value indicates that ospf packets are being dropped and that this could be causing routing problems. This statistic is incremented under the following circumstances: ■ whe...

  • Page 369

    369 receivelsu number of link state update packets that were received transmitdd number of database description packets that were transmitted interpretation: ■ a non-zero value is ok. Database description packets are sent when forming adjacencies with valid neighbors. A large number in a network who...

  • Page 370

    370 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules mode enables or disables ospf on specified ip interfaces on a multilayer switching module. Valid minimum abbreviation ip o i m options prompt description possible values [d...

  • Page 371

    371 ip ospf interface layer 2 switching modules ✓ multilayer switching modules priority assigns interface priority to the ospf router. Valid minimum abbreviation ip o i pr important consideration ■ the interface priority of an ospf router determines its status as a designated router. Options prompt ...

  • Page 372

    372 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules areaid associates an interface with an ospf area. Valid minimum abbreviation ip o i a important considerations ■ set the area id to the same value for all routers on the ne...

  • Page 373

    373 layer 2 switching modules ✓ multilayer switching modules ip ospf interface cost assigns a cost to an ospf interface. Valid minimum abbreviation ip o i c important consideration ■ the interface cost reflects the line speed of the port. Although the module calculates a default cost value based on ...

  • Page 374

    374 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules delay sets the ospf interface transmit delay. Valid minimum abbreviation ip o i del important considerations ■ the module adds the value of the transmit delay to all link s...

  • Page 375

    375 layer 2 switching modules ✓ multilayer switching modules ip ospf interface hello sets the interval for ospf hello messages from an interface on a multilayer switching module. Valid minimum abbreviation ip o i he important considerations ■ hello packets inform other routers that the sending route...

  • Page 376

    376 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules retransmit specifies the ospf link state advertisement (lsa) retransmit interval for an interface on a multilayer switching module. Valid minimum abbreviation ip o i r opti...

  • Page 377

    377 layer 2 switching modules ✓ multilayer switching modules ip ospf interface dead specifies the dead interval for an interface on a multilayer switching module. Valid minimum abbreviation ip o i dea important consideration ■ set the dead interval to the same value for all routers on the network. O...

  • Page 378

    378 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf interface layer 2 switching modules ✓ multilayer switching modules password sets password security for an ospf interface on a multilayer switching module. Valid minimum abbreviation ip o i pa important considerations ■ to remove a previous...

  • Page 379

    379 ip ospf linkstatedata layer 2 switching modules ✓ multilayer switching modules databasesummary summarizes link state advertisements (lsas) in the link state database. Valid minimum abbreviation ip o l d important consideration ■ to view link state database information, ospf must be enabled. Opti...

  • Page 380

    380 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf linkstatedata layer 2 switching modules ✓ multilayer switching modules router displays router link state advertisements (lsas) in the link state database. Valid minimum abbreviation ip o l r important consideration ■ to view link state dat...

  • Page 381

    381 link id ■ ptp — neighboring router’s router id ■ transit net — address of designated router ■ stub net — ip network/subnetwork number ■ virtual link — neighboring router’s router id link type ■ ptp — connection is point-to-point to another router. ■ transit net — connection is to a transit netwo...

  • Page 382

    382 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf linkstatedata layer 2 switching modules ✓ multilayer switching modules network displays network link state advertisements (lsas) in the link state database. Valid minimum abbreviation ip o l n important consideration ■ to view link state d...

  • Page 383

    383 ip ospf linkstatedata layer 2 switching modules ✓ multilayer switching modules summary displays summary link state advertisements (lsas) in the link state database. Valid minimum abbreviation ip o l s important consideration ■ to view link state database information, ospf must be enabled. Option...

  • Page 384

    384 c hapter 15: o pen s hortest p ath f irst (ospf) fields in the ip ospf link state data summary display field description ls age time (in seconds) since lsa was originated ls seq sequence number of the lsa (used to detect older duplicate lsas) lsid ■ type 3 — destination network’s ip address ■ ty...

  • Page 385

    385 ip ospf linkstatedata layer 2 switching modules ✓ multilayer switching modules external displays external network link state advertisements (lsas) in the link state database. Valid minimum abbreviation ip o l e important consideration ■ to view link state database information, ospf must be enabl...

  • Page 386

    386 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf neighbors layer 2 switching modules ✓ multilayer switching modules display displays information about currently defined neighbors in an ospf area. Valid minimum abbreviation ip o n d fields in the ip ospf neighbors display field descriptio...

  • Page 387

    387 layer 2 switching modules ✓ multilayer switching modules ip ospf neighbors add adds a neighbor static ip address to an existing interface. Valid minimum abbreviation ip o n a important consideration ■ a multilayer switching module learns neighbor addresses dynamically on interfaces that support ...

  • Page 388

    388 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf neighbors layer 2 switching modules ✓ multilayer switching modules remove removes a static neighbor from an existing interface. Valid minimum abbreviation ip o n r options prompt description possible values [default] ip interface index num...

  • Page 389

    389 layer 2 switching modules ✓ multilayer switching modules ip ospf routerid sets the ospf router id. Valid minimum abbreviation ip o r important considerations ■ the ospf router id identifies the router to other routers within an autonomous system. Three types of router identifiers are available; ...

  • Page 390

    390 c hapter 15: o pen s hortest p ath f irst (ospf) options prompt description possible values [default] router id type type of router identifier that you want to define ■ default ■ interface ■ address default (factory default), or current value ip interface for interface router id type only. Index...

  • Page 391

    391 ip ospf partition layer 2 switching modules ✓ multilayer switching modules display displays ospf memory allocation. Valid minimum abbreviation ip o pa d important consideration ■ see “ip ospf partition modify” later in this chapter for information on how ospf memory allocation works and how to m...

  • Page 392

    392 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf partition layer 2 switching modules ✓ multilayer switching modules modify modifies the maximum memory that ospf can allocate. Valid minimum abbreviation ip o pa m important considerations ■ there are three choices for memory allocation: ■ ...

  • Page 393

    393 ip ospf stubdefaultmetric layer 2 switching modules ✓ multilayer switching modules display displays the stub default metric value for an area border router. Valid minimum abbreviation ip o stu di important considerations ■ the stub default metric value determines if the router generates the defa...

  • Page 394

    394 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf stubdefaultmetric layer 2 switching modules ✓ multilayer switching modules define defines the stub default metric value for an ospf area border router. Valid minimum abbreviation ip o stu de important considerations ■ the stub default metr...

  • Page 395

    395 ip ospf stubdefaultmetric layer 2 switching modules ✓ multilayer switching modules remove disables the stub default metric on an ospf area border router. Valid minimum abbreviation ip o stu r important considerations ■ the module removes the current stub default metric value immediately after yo...

  • Page 396

    396 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules summary displays summary information about a virtual link. Valid minimum abbreviation ip o v su options fields in the ip ospf virtual links summary display prompt descri...

  • Page 397

    397 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules detail displays detailed information about a virtual link. Valid minimum abbreviation ip o v det important consideration ■ this display also contains virtual link detail and neighbor information. Options fields in the ...

  • Page 398

    398 c hapter 15: o pen s hortest p ath f irst (ospf) fields in the ip ospf virtual links detail display fields in the ip ospf virtual links neighbor display field description cost cost of sending a packet over the virtual link, expressed in the link state metric indx index number of the virtual link...

  • Page 399

    399 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules statistics displays statistics that are associated with virtual links. Valid minimum abbreviation ip o v st options fields in the ip ospf virtual links statistics display prompt description possible values [default] vi...

  • Page 400

    400 c hapter 15: o pen s hortest p ath f irst (ospf) mismatchdead number of router dead interval mismatches that were detected interpretation: ■ a non-zero value is bad and means that some ospf routers on the interface are configured with a different dead interval than this router. This prevents the...

  • Page 401

    401 receiveerror number of general receive errors. Interpretation: ■ a non-zero value indicates that ospf packets are being dropped and that this could be causing routing problems. This statistic is incremented under the following circumstances: ■ when an ospf hello packet is received and the packet...

  • Page 402

    402 c hapter 15: o pen s hortest p ath f irst (ospf) receivelsu number of link state update packets that have been received transmitdd number of database description packets that were transmitted interpretation: ■ a non-zero value is ok. Database description packets are sent when forming adjacencies...

  • Page 403

    403 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules define creates a new virtual link to a destination router. Valid minimum abbreviation ip o v def important considerations ■ all areas of an ospf routing domain must connect to the backbone area. In cases where an area ...

  • Page 404

    404 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules remove removes a virtual link. Valid minimum abbreviation ip o v rem options prompt description possible values [default] virtual link index number of the virtual link t...

  • Page 405

    405 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules areaid modifies the transit area that is associated with a virtual link. Valid minimum abbreviation ip o v a options prompt description possible values [default] virtual link index number of the virtual link for which ...

  • Page 406

    406 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules router modifies the target router that is associated with a virtual link. Valid minimum abbreviation ip o v ro options prompt description possible values [default] virtu...

  • Page 407

    407 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules delay sets the virtual link transmit delay, in seconds. Valid minimum abbreviation ip o v del important consideration ■ the virtual link transmit delay must be consistent throughout the autonomous system. Options promp...

  • Page 408

    408 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules hello sets the virtual link hello interval, in seconds. Valid minimum abbreviation ip o v he important considerations ■ hello packets inform other routers that the sendi...

  • Page 409

    409 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules retransmit sets the virtual link retransmit interval, in seconds. Valid minimum abbreviation ip o v ret options prompt description possible values [default] virtual link index number of the virtual link for which you w...

  • Page 410

    410 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules dead sets the virtual link dead interval, in seconds. Valid minimum abbreviation ip o v dea important consideration ■ set the dead interval to the same value for all rou...

  • Page 411

    411 ip ospf virtuallinks layer 2 switching modules ✓ multilayer switching modules password sets password security for a virtual link. Valid minimum abbreviation ip o v p important considerations ■ set the virtual link password to none to remove a previously assigned password. ■ the password must be ...

  • Page 412

    412 c hapter 15: o pen s hortest p ath f irst (ospf) ip ospf policy layer 2 switching modules ✓ multilayer switching modules summary displays summary information about ospf routing policies. Valid minimum abbreviation ip o po s important considerations ■ your module uses one unified ip routing table...

  • Page 413

    413 layer 2 switching modules ✓ multilayer switching modules ip ospf policy detail displays summary and detailed information about ospf routing policies. Valid minimum abbreviation ip o po det important considerations ■ this display contains the summary information plus three additional fields: inte...

  • Page 414

    414 c hapter 15: o pen s hortest p ath f irst (ospf) route route against which the policy is applied source source router (only applicable to export policies that do not specify direct as origin protocol) type whether the policy is an import or export policy weight administrative weight (range of va...

  • Page 415

    415 layer 2 switching modules ✓ multilayer switching modules ip ospf policy define defines import and export ospf routing policies. Valid minimum abbreviation ip o po def important considerations ■ the module assigns an index number to each policy and takes into account all route policies, routing i...

  • Page 416

    416 c hapter 15: o pen s hortest p ath f irst (ospf) options prompt description possible values [default] policy type type of policy ■ import ■ export import origin protocols for export policies only. Defines from which protocol the route originated ■ direct ■ sta (static) ■ rip sta, rip source addr...

  • Page 417

    417 ospf import policy conditions ase type type of external metric that is used in the as external advertisement (ase), defined as: ■ type 1 — external metric is directly comparable (without translation) to the link state metric. ■ type 2 — external metric is larger than any link state path. ■ type ...

  • Page 418

    418 c hapter 15: o pen s hortest p ath f irst (ospf) ospf export policy conditions export policy conditions for direct routes protocol source router route action description rip or static specified router or all routers specified route/mask accept advertise in external lsas specified rip/static rout...

  • Page 419

    419 layer 2 switching modules ✓ multilayer switching modules ip ospf policy modify modifies an existing ospf routing policy. Valid minimum abbreviation ip o po m important considerations ■ the module assigns an index number to each policy and takes into account all route policies, routing informatio...

  • Page 420

    420 c hapter 15: o pen s hortest p ath f irst (ospf) options prompt description possible values [default] policy index number of the policy that you want to modify ■ valid policy index number ■ ? (for a list of selectable indexes) – origin protocols for export policies only. Defines from which proto...

  • Page 421

    421 ospf import policy conditions metric adjustment for accept conditions only, increases or decreases the converted route metric by the specified value. Options: + (add) - (subtract) * (multiply metric by value) / (divide metric by value) % (modulo, remainder of division operation as integer) 0 – 1...

  • Page 422

    422 c hapter 15: o pen s hortest p ath f irst (ospf) ospf export policy conditions export policy conditions for direct routes protocol source router route action description rip or static specified router or all routers specified route/mask accept advertise in external lsas specified rip/static rout...

  • Page 423

    423 layer 2 switching modules ✓ multilayer switching modules ip ospf policy remove deletes ospf routing policies. Valid minimum abbreviation ip o po r important considerations ■ the module assigns an index number to each policy that you define. This index number takes into account all route policies...

  • Page 424

    424 c hapter 15: o pen s hortest p ath f irst (ospf) layer 2 switching modules ✓ multilayer switching modules ip ospf statistics displays general ospf statistics. Valid minimum abbreviation ip o sta fields in the ip ospf statistics display field description extlsachanges number of external lsa chang...

  • Page 425: Nternet

    16 i nternet p acket e xchange (ipx) this chapter provides guidelines and other key information about how to use the internet packet exchange (ipx) protocol commands to route packets from a multilayer switching module to an external destination. The ipx protocol is a netware lan communications proto...

  • Page 426

    426 c hapter 16: i nternet p acket e xchange (ipx) menu structure the following diagram shows an inclusive list of commands that stem from the ipx menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you log...

  • Page 427

    427 layer 2 switching modules ✓ multilayer switching modules ipx interface display displays information about the ipx parameters and ipx interfaces that are configured on a multilayer switching module. Valid minimum abbreviation ipx i di important considerations ■ the first line in the output (the s...

  • Page 428

    428 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx interface define defines an ipx interface on a multilayer switching module. Valid minimum abbreviation ipx i de important considerations ■ an ipx interface defines the relationships among ...

  • Page 429

    429 frame format frame encapsulation format for the interface. Ipx uses four ethernet and two fddi formats: ethernet type ii, novell 802.3 raw, 802.2 llc, and 802.3 snap. The fddi formats are available with 802.2 and snap. ■ ethernet_ii ■ 802.2 ■ 802.2 llc ■ raw_802.3 ■ snap ■ 802.3_snap – vlan inte...

  • Page 430

    430 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx interface modify changes the characteristics of an existing ipx interface on a multilayer switching module. Valid minimum abbreviation ipx i m important considerations ■ an ipx interface d...

  • Page 431

    431 frame format frame encapsulation format for the interface. Ipx uses four ethernet and two fddi formats: ethernet type ii, novell 802.3 raw, 802.2 llc, and 802.3 snap. The fddi formats are available with 802.2, snap, and 802.3/snap. ■ ethernet_ii ■ 802.2 ■ 802.2 llc ■ raw_802.3 ■ snap ■ 802.3_sna...

  • Page 432

    432 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx interface remove removes an ipx interface if you no longer perform routing on the ports that are associated with the interface on the multilayer switching module. Valid minimum abbreviatio...

  • Page 433

    433 ipx interface layer 2 switching modules ✓ multilayer switching modules sapadvertising controls whether the multilayer switching module advertises ipx services. Valid minimum abbreviation ipx i s options prompt description possible values [default] ipx sap advertising state whether the module adv...

  • Page 434

    434 c hapter 16: i nternet p acket e xchange (ipx) ipx interface layer 2 switching modules ✓ multilayer switching modules ripadvertising controls whether the multilayer switching module advertises ipx routes. Valid minimum abbreviation ipx i r options prompt description possible values [default] ipx...

  • Page 435

    435 layer 2 switching modules ✓ multilayer switching modules ipx route display displays the routing tables for the multilayer switching module. The routing tables include all configured routes. Valid minimum abbreviation ipx ro d important considerations ■ your module maintains a table of routes to ...

  • Page 436

    436 c hapter 16: i nternet p acket e xchange (ipx) fields in the ipx route display field description address unique 4-byte network address of a segment in the module’s routing table. Age number of seconds that have elapsed since the last time the router sent a packet. Hops number of hops, or the num...

  • Page 437

    437 layer 2 switching modules ✓ multilayer switching modules ipx route secondary displays any secondary routes that are available. Valid minimum abbreviation ipx ro se important considerations ■ to see entries for any secondary routes, you must: ■ establish alternate paths to the same ipx network. ■...

  • Page 438

    438 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx route static defines a static route on a multilayer switching module. Valid minimum abbreviation ipx ro st important considerations ■ before you define static routes on the module, define ...

  • Page 439

    439 layer 2 switching modules ✓ multilayer switching modules ipx route remove deletes a route from the ipx routing table on a multilayer switching module. Valid minimum abbreviation ipx ro r important considerations ■ the route is immediately deleted. You are not prompted to confirm the deletion. ■ ...

  • Page 440

    440 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx route flush deletes all dynamically learned routes from the ipx routing table on a multilayer switching module. Valid minimum abbreviation ipx ro f important considerations ■ all learned r...

  • Page 441

    441 layer 2 switching modules ✓ multilayer switching modules ipx server display displays the server table for the multilayer switching module to determine which servers are learned. Valid minimum abbreviation ipx ser d important considerations ■ your module maintains a table of servers that reside o...

  • Page 442

    442 c hapter 16: i nternet p acket e xchange (ipx) fields in the ipx server display field description interface index number of the interface. Name name for the server that you define. Type type of service that the server provides. The ipx protocol defines various types of services. One common type ...

  • Page 443

    443 layer 2 switching modules ✓ multilayer switching modules ipx server static defines a static ipx server on a multilayer switching module. Valid minimum abbreviation ipx ser st important considerations ■ static servers remain in the table until you remove them, until you remove the corresponding i...

  • Page 444

    444 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx server remove deletes a server from the ipx server table on a multilayer switching module. Valid minimum abbreviation ipx ser r important consideration ■ the server is immediately deleted....

  • Page 445

    445 layer 2 switching modules ✓ multilayer switching modules ipx server flush deletes all dynamically learned servers from the server table on a multilayer switching module. Valid minimum abbreviation ipx ser f important consideration ■ all learned servers are immediately deleted. You are not prompt...

  • Page 446

    446 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx server secondary displays any secondary servers that are available. Valid minimum abbreviation ipx ser se important considerations ■ to see entries for any secondary server, you must: ■ es...

  • Page 447

    447 layer 2 switching modules ✓ multilayer switching modules ipx forwarding controls whether a multilayer switching module forwards or discards ipx packets. Valid minimum abbreviation ipx f important considerations ■ when you enable ipx forwarding, the module acts as a normal ipx router, forwarding ...

  • Page 448

    448 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx rip mode selects the appropriate routing information protocol (rip) mode on a multilayer switching module. Valid minimum abbreviation ipx ri m important considerations ■ rip allows the exc...

  • Page 449

    449 layer 2 switching modules ✓ multilayer switching modules ipx rip triggered sets the rip triggered update mode, which dictates when the ipx protocol broadcasts newly learned routes. Valid minimum abbreviation ipx ri t important considerations ■ a multilayer switching module offers two rip trigger...

  • Page 450

    450 c hapter 16: i nternet p acket e xchange (ipx) ipx rip policy layer 2 switching modules ✓ multilayer switching modules summary displays a list of ipx rip (routing information protocol) policies on a multilayer switching module. Valid minimum abbreviation ipx ri p s fields in an ipx rip policy su...

  • Page 451

    451 layer 2 switching modules ✓ multilayer switching modules ipx rip policy define define a rip (routing information protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx ri p d important considerations ■ every router maintains a table of current routing information in a ...

  • Page 452

    452 c hapter 16: i nternet p acket e xchange (ipx) metric adjustment increase or decrease a route metric by a value that you specify. Specify an integer and an operand (+,-,*,/,%) to adjust the metric value. This parameter is valid only if the policy action is set to accept. ■ 0-16 ■ + (add) ■ - (su...

  • Page 453

    453 layer 2 switching modules ✓ multilayer switching modules ipx rip policy modify modify an existing rip (routing information protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx ri p m important considerations ■ every router maintains a table of current routing informa...

  • Page 454

    454 c hapter 16: i nternet p acket e xchange (ipx) metric adjustment increase or decrease a route metric by a value that you specify. Specify an integer and an operand (+,-,*,/,%) to adjust the metric value, this parameter is valid only if the policy action is set to accept. ■ 0-16 ■ + (add) ■ - (su...

  • Page 455

    455 layer 2 switching modules ✓ multilayer switching modules ipx rip policy remove remove an existing rip (routing information protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx ri p r options prompt description possible values default policy index number of the policy...

  • Page 456

    456 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx sap mode selects an appropriate service advertising protocol (sap) mode on a multilayer switching module. Valid minimum abbreviation ipx sa m important considerations ■ sap provides router...

  • Page 457

    457 layer 2 switching modules ✓ multilayer switching modules ipx sap triggered sets the sap triggered update mode, which dictates when the ipx protocol broadcasts newly learned sap server addresses. Valid minimum abbreviation ipx sa t important considerations ■ the module offers two sap triggered mo...

  • Page 458

    458 c hapter 16: i nternet p acket e xchange (ipx) ipx sap policy layer 2 switching modules ✓ multilayer switching modules summary displays a list of ipx sap (service advertising protocol) policies on a multilayer switching module. Valid minimum abbreviation ipx sa p s fields in an ipx sap policy su...

  • Page 459

    459 layer 2 switching modules ✓ multilayer switching modules ipx sap policy detail displays information about ipx sap (service advertising protocol) policies on a multilayer switching module. Valid minimum abbreviation ipx sap p det fields in an ipx sap policy detail display field description idx in...

  • Page 460

    460 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx sap policy define define a sap (service advertising protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx sa p def important considerations ■ every router maint...

  • Page 461

    461 service type number for the type of service that the server performs. Enter up to 6 hex characters. For example, 0x4 = file server for more details, consult your novell documentation. ■ 0x1 – 0xfffff ■ all all server name name of the server providing the services. ■ server name ■ all all ipx add...

  • Page 462

    462 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx sap policy modify modify a sap (service advertising protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx sa p m important considerations ■ every router maintai...

  • Page 463

    463 service type number for the type of service that the server performs. Enter up to 6 hex characters. For example, 0x4 = file server for more details, consult your novell documentation. ■ 0x1 – 0xfffff ■ all all server name name of the server providing the services. ■ server name ■ all all ipx add...

  • Page 464

    464 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx sap policy remove remove an existing sap (service advertising protocol) policy on a multilayer switching module. Valid minimum abbreviation ipx sa p r options prompt description possible v...

  • Page 465

    465 layer 2 switching modules ✓ multilayer switching modules ipx output-delay sets the ipx output-delay option for rip (routing information protocol) and sap (service advertising protocol) packets. This option delays the updating of the rip and sap server information table. Valid minimum abbreviatio...

  • Page 466

    466 c hapter 16: i nternet p acket e xchange (ipx) ipx statistics layer 2 switching modules ✓ multilayer switching modules summary displays ipx summary statistics on a multilayer switching module. Valid minimum abbreviation ipx st su important considerations ■ the first line in the output (the statu...

  • Page 467

    467 layer 2 switching modules ✓ multilayer switching modules ipx statistics rip displays ipx rip (routing information protocol) statistics on a multilayer switching module. Valid minimum abbreviation ipx st r important considerations ■ the first line in the output (the status line) indicates whether...

  • Page 468

    468 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx statistics sap displays ipx sap (service advertising protocol) statistics on a multilayer switching module. Valid minimum abbreviation ipx st sa important considerations ■ the first line i...

  • Page 469

    469 ipx statistics layer 2 switching modules ✓ multilayer switching modules forwarding displays ipx forwarding statistics on a multilayer switching module. Valid minimum abbreviation ipx st f important considerations ■ the first line in the output (the status line) indicates whether: ■ ipx forwardin...

  • Page 470

    470 c hapter 16: i nternet p acket e xchange (ipx) host tx discards number of ipx packets from the ipx host's rip and sap applications that were dropped on transmission host tx request number of ipx packets from the ipx host's rip and sap applications to be transmitted netbios max hops number of ipx...

  • Page 471

    471 layer 2 switching modules ✓ multilayer switching modules ipx statistics interface displays ipx interface statistics on a multilayer switching module. Valid minimum abbreviation ipx st i fields in the ipx interface statistics display field description addr errors number of ipx packets that were d...

  • Page 472

    472 c hapter 16: i nternet p acket e xchange (ipx) routes aged number of times the module marked a route entry unreachable, because it did not receive an update for that entry during the timeout period servers aged number of times the module marked a server entry unreachable, because it did not rece...

  • Page 473

    473 ipx layer 2 switching modules ✓ multilayer switching modules oddlengthpadding sets the compatibility mode for older network interface cards (nics). This mode enables an interface to pad ipx packets that have an odd number of bytes. (older nics discard ipx packets that have an odd number of bytes...

  • Page 474

    474 c hapter 16: i nternet p acket e xchange (ipx) layer 2 switching modules ✓ multilayer switching modules ipx netbios determines whether a multilayer switching module handles ipx type 20 packet forwarding on a per-interface basis. Valid minimum abbreviation ipx n options prompt description possibl...

  • Page 475

    475 layer 2 switching modules ✓ multilayer switching modules ipx secondary determines whether the module enables secondary routes and servers. Valid minimum abbreviation ipx sec important considerations ■ this option allows the module to learn about secondary routes and secondary servers. ■ with thi...

  • Page 476

    476 c hapter 16: i nternet p acket e xchange (ipx).

  • Page 477: Pple

    17 a pple t alk this chapter provides key information about the commands that you can use to configure appletalk routing on a multilayer switching module. Configuring and managing appletalk routing involves these tasks: ■ administering appletalk interfaces ■ administering routes ■ administering the ...

  • Page 478

    478 c hapter 17: a pple t alk menu structure the following diagram shows an inclusive list of commands that stem from the appletalk menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged into the sy...

  • Page 479

    479 appletalk interface layer 2 switching modules ✓ multilayer switching modules summary displays summary information for all appletalk interfaces on a multilayer switching module. Valid minimum abbreviation ap i su fields in the appletalk interface summary display field description address appletal...

  • Page 480

    480 c hapter 17: a pple t alk appletalk interface layer 2 switching modules ✓ multilayer switching modules detail displays detailed information for all appletalk interfaces on a multilayer switching module. Valid minimum abbreviation ap i det fields in the appletalk interface detail display field de...

  • Page 481

    481 appletalk interface layer 2 switching modules ✓ multilayer switching modules define defines an appletalk interface on a multilayer switching module. Valid minimum abbreviation ap i def important considerations ■ an appletalk interface defines the relationship between a virtual lan (vlan) and an ...

  • Page 482

    482 c hapter 17: a pple t alk default zone name user-defined default appletalk zone name. Clients that have not been configured to use a particular zone use the default zone name. Seed interfaces only . Up to 32 ascii characters – zone name appletalk zone that is associated with the interface. You a...

  • Page 483

    483 appletalk interface layer 2 switching modules ✓ multilayer switching modules modify modifies an existing appletalk interface on a multilayer switching module. Valid minimum abbreviation ap i m important considerations ■ an appletalk interface defines the relationship between a virtual lan (vlan)...

  • Page 484

    484 c hapter 17: a pple t alk start of network range start of the network range that is associated with the seed interface. Seed interfaces only . 1 – 65279 current value end of network range end of the network range that is associated with the seed interface. Seed interfaces only . 1 – 65279 curren...

  • Page 485

    485 appletalk interface layer 2 switching modules ✓ multilayer switching modules remove removes one or more existing appletalk interfaces from a multilayer switching module. Valid minimum abbreviation ap i r important considerations ■ you can specify a single interface, multiple appletalk interfaces...

  • Page 486

    486 c hapter 17: a pple t alk appletalk interface layer 2 switching modules ✓ multilayer switching modules statistics displays statistics for each appletalk interface on a multilayer switching module. You can specify a single appletalk interface, multiple interfaces, or all interfaces. If you have m...

  • Page 487

    487 echooutreplies number of echo replies that have been sent echooutrequests number of echo requests that have been sent nbpinbroadcastreqs number of nbp broadcast requests that have been received nbpinerrors number of nbp packets that have been received and rejected for any error nbpinforwardreqs ...

  • Page 488

    488 c hapter 17: a pple t alk appletalk route layer 2 switching modules ✓ multilayer switching modules display displays appletalk routes that are listed in the routing table of a multilayer switching module. Valid minimum abbreviation ap r d important consideration ■ your module maintains a table of...

  • Page 489

    489 layer 2 switching modules ✓ multilayer switching modules appletalk route flush deletes all dynamically learned appletalk routes from the routing table on a multilayer switching module. Valid minimum abbreviation ap r f important consideration ■ the module deletes all dynamically learned appletal...

  • Page 490

    490 c hapter 17: a pple t alk appletalk aarp layer 2 switching modules ✓ multilayer switching modules display displays the appletalk address resolution protocol (aarp) cache on a multilayer switching module. Valid minimum abbreviation ap a d fields in the appletalk aarp display field description aar...

  • Page 491

    491 appletalk aarp layer 2 switching modules ✓ multilayer switching modules remove removes an appletalk address resolution protocol (aarp) cache entry on a multilayer switching module. Valid minimum abbreviation ap a r options prompt description possible values [default] aarp address aarp address th...

  • Page 492

    492 c hapter 17: a pple t alk layer 2 switching modules ✓ multilayer switching modules appletalk aarp flush deletes all appletalk address resolution protocol (aarp) entries from the aarp cache on a multilayer switching module. Valid minimum abbreviation ap a f important consideration ■ the module de...

  • Page 493

    493 appletalk zone layer 2 switching modules ✓ multilayer switching modules display network displays the appletalk zone table, indexed by network numbers, on a multilayer switching module. Valid minimum abbreviation ap z d n important considerations ■ appletalk routers use the zone information proto...

  • Page 494

    494 c hapter 17: a pple t alk appletalk zone layer 2 switching modules ✓ multilayer switching modules display zone displays the appletalk zone table, indexed by zones, on a multilayer switching module. Valid minimum abbreviation ap z d z important considerations ■ appletalk routers use the zone info...

  • Page 495

    495 layer 2 switching modules ✓ multilayer switching modules appletalk forwarding enables and disables appletalk data delivery protocol (ddp) forwarding on a multilayer switching module. Valid minimum abbreviation ap f options prompt description possible values [default] forwarding state whether to ...

  • Page 496

    496 c hapter 17: a pple t alk layer 2 switching modules ✓ multilayer switching modules appletalk checksum enables data delivery protocol (ddp) checksum error detection for the appletalk protocol on a multilayer switching module. Valid minimum abbreviation ap c important considerations ■ the appletal...

  • Page 497

    497 appletalk layer 2 switching modules ✓ multilayer switching modules sourcesocket enables and disables appletalk data delivery protocol (ddp) source socket verification on a multilayer switching module. Valid minimum abbreviation ap so options prompt description possible values [default] source so...

  • Page 498

    498 c hapter 17: a pple t alk layer 2 switching modules ✓ multilayer switching modules appletalk ping attempts to make contact with an appletalk node, using the appletalk echo protocol (aep). Valid minimum abbreviation ap p options prompt description possible values [default] destination aarp addres...

  • Page 499

    499 appletalk statistics layer 2 switching modules ✓ multilayer switching modules ddp displays appletalk datagram delivery protocol (ddp) statistics. Valid minimum abbreviation ap s d fields in the appletalk ddp statistics display field description inbcasterrors number of dropped ddp datagrams for w...

  • Page 500

    500 c hapter 17: a pple t alk appletalk statistics layer 2 switching modules ✓ multilayer switching modules rtmp displays appletalk routing table maintenance protocol (rtmp) statistics on a multilayer switching module. Valid minimum abbreviation ap s r fields in the appletalk rtmp statistics display...

  • Page 501

    501 appletalk statistics layer 2 switching modules ✓ multilayer switching modules zip displays appletalk zone information protocol (zip) statistics on a multilayer switching module. Valid minimum abbreviation ap s z fields in the appletalk zip statistics display field description inerrors number of ...

  • Page 502

    502 c hapter 17: a pple t alk appletalk statistics layer 2 switching modules ✓ multilayer switching modules nbp displays appletalk name binding protocol (nbp) statistics on a multilayer switching module. Valid minimum abbreviation ap s n fields in the appletalk nbp statistics display field descripti...

  • Page 503: Uality

    18 q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) quality of service (qos) and the resource reservation protocol (rsvp) are advanced features that provide policy-based services . Policy-based services establish various grades of network services to accommodate the needs of ...

  • Page 504

    504 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) menu structure the following diagram shows an inclusive list of commands that stem from the qos menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level ...

  • Page 505

    505 qos classifier layer 2 switching modules ✓ multilayer switching modules summary displays summary information about the qos classifiers that are configured on a multilayer switching module. Valid minimum abbreviation q cl s fields in the qos classifier summary display field description 802.1p for...

  • Page 506

    506 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos classifier detail displays detailed information about one or more qos classifiers on a multilayer switching module. Valid minimum abbreviation q cl d...

  • Page 507

    507 destination port range ( flow classifiers only) beginning and end of the tcp or udp destination port range source port range ( flow classifiers only) beginning and end of the tcp or udp source port range classifier – installed flows (if flows exist) actual flows seen on the module, with the foll...

  • Page 508

    508 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos classifier define defines a flow or nonflow classifier on a multilayer switching module. Valid minimum abbreviation q cl def important considerations...

  • Page 509

    509 options prompt description possible values [default] classifier number number of the flow or nonflow classifier in the range of 1 – 498 ■ flow classifiers: 1 – 399 (except 20 and 23, which are predefined flow classifiers) ■ nonflow classifiers: 400 – 498, (except 401 – 407, 420, 430, 440, 450, 4...

  • Page 510

    510 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) source ip address mask for flow classifiers only, source ip address mask, or how many portions of the ip address you want to match (example: 255.255.255.0 matches the first three portions of the specified ip ad...

  • Page 511

    511 flow classifier procedure to accept the default or current values that appear in brackets [ ], press enter. 1 enter a classifier number in the range of from 1 through 399 . Flow classifiers 20 and 23 are predefined for ftp and telnet. 2 enter the classifier name (a unique name of up to 32 charac...

  • Page 512

    512 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) the value that you enter for the start of the range determines the default for the end of the range. The end value must be greater than or equal to the start value. To avoid severely affecting applications usin...

  • Page 513

    513 nonflow classifier procedure to accept the default or existing values that appear in brackets [ ], press return. 1 enter a classifier number in the range of from 400 through 498 . Numbers 401 through 407 are predefined nonflow classifiers with applied controls; numbers 420 , 430 , 440 , 450 , 46...

  • Page 514

    514 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos classifier modify modifies a previously defined classifier on a multilayer switching module. Valid minimum abbreviation q cl m important consideratio...

  • Page 515

    515 protocol type ip or other protocol type, if applicable, that is associated with the flow or nonflow classifier. ■ flow classifiers: ip protocol type with tcp, udp, or all ■ nonflow classifiers: tcp, ip, ipx, appletalk, any, or custom ■ ? (for a list of selectable values) current protocol type so...

  • Page 516

    516 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) procedure (flow classifier) 1 enter the number of the classifier that you want to modify. The current numbers are shown in braces { }. 2 to modify the name, enter the new name for the classifier. The name that ...

  • Page 517

    517 3 to modify the cast type, enter a new cast type. For a flow classifier, the options are unicast , multicast , and all . To accept the default or current value that appears in brackets, press enter. 4 to modify the ip protocol type, enter another ip protocol type ( tcp , udp , or all ). 5 to mod...

  • Page 518

    518 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) nonflow classifier procedure 1 to modify the cast type, enter a new cast type. For a nonflow classifier, the options are unicast , multicast , broadcast , and all 2 to modify the associated protocols, enter ano...

  • Page 519

    519 layer 2 switching modules ✓ multilayer switching modules qos classifier remove removes a previously defined classifier on a multilayer switching module. Valid minimum abbreviation q cl r important considerations ■ if the classifier that you want to remove is associated with a control, you must r...

  • Page 520

    520 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos control summary displays summary information about qos controls that you specify on a multilayer switching module. Valid minimum abbreviation q co s ...

  • Page 521

    521 layer 2 switching modules ✓ multilayer switching modules qos control detail displays detailed information about the qos controls that you specify on a multilayer switching module. Valid minimum abbreviation q co det options fields in the qos control detail display prompt description possible val...

  • Page 522

    522 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) source port range beginning and end of the source port range. Start time control start time tcp drop control whether tcp drop control filtering is enabled. Time control type time control type ( specific, daily,...

  • Page 523

    523 layer 2 switching modules ✓ multilayer switching modules qos control define defines a control for one or more existing classifiers on a multilayer switching module. Valid minimum abbreviation q co def important considerations ■ a control can assign multiple rate limit values and an ieee 802.1p p...

  • Page 524

    524 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) options prompt description possible values [default] control number number of the control. Control numbers 1 – 4 are predefined controls. ■ 5 – 50 ■ ? (for a list of selectable values) 1 (factory default) contr...

  • Page 525

    525 excess packet service for receiveport or aggregate rate limit types, the service level for excess packets (packets that exceed the rate limit). ■ high ■ best ■ low ■ drop best (factory default) excess loss eligible for receiveport or aggregate rate limit types, whether excess packets are loss-el...

  • Page 526

    526 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) table 6 lists the options for the input time types. The key to the prompts are: ■ mm/dd = month–day ■ hh:mm = hour:minute table 6 input time type options start and end times whether you want to set starting and...

  • Page 527

    527 procedure 1 enter a control number. The valid range is 5 through 50 , with the next available number as the default. 2 enter a control name. 3 enter the rate limit type: none , receiveport , or aggregate . The default is none . To drop all conforming packets for a set of ports, use receiveport o...

  • Page 528

    528 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) 4 for the receiveport or aggregate limit type, enter the service level for conforming packets as high , best , or low . For the none rate limit type, enter the service level for conforming packets as high , bes...

  • Page 529

    529 if the receive port is the anchor port for a trunk, the rate limit applies to each port that is associated with the trunk. For example, a rate limit of 1000 kbytes on a three-port trunk means that each port in the trunk has the 1000-kbyte limit. 7 enter an ieee 802.1p tag value in the range of f...

  • Page 530

    530 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos control modify modifies the characteristics of a previously defined control (including controls 1 through 4, which the multilayer switching module pr...

  • Page 531

    531 service level service level for the conforming packets. Drop causes the module to drop all traffic on all ports that are associated with the classifier/control. ■ for a rate limit of receiveport or aggregate: high, best (best effort), or low ■ for a rate limit of none: high, best, low, or drop c...

  • Page 532

    532 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) bridge ports for receiveport or aggregate rate limit types, the receive ports for which you want to enable the rate limit. ■ one or more selectable ports ■ all ■ ? (for a list of selectable ports) current bridg...

  • Page 533

    533 procedure 1 enter the control number that you want to modify. The existing controls are displayed in braces { }. 2 to modify the name, enter the new name for the classifier. The name that is associated with the specified control number appears in brackets [ ]. 3 enter the rate limit type (for ex...

  • Page 534

    534 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) f specify the bridge ports for which you want to enable the new rate limit (for example, 1-13 , or all ). If you modify the rate limit and apply it to only one or a subset of the bridge ports, you are prompted ...

  • Page 535

    535 layer 2 switching modules ✓ multilayer switching modules qos control remove removes a previously defined control on a multilayer switching module. Valid minimum abbreviation q co r important consideration ■ when you remove a control, the associated classifiers are no longer controlled and no lon...

  • Page 536

    536 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos rsvp summary displays summary information about the resource reservation protocol (rsvp). Also indicates the state of qos and rsvp (whether enabled o...

  • Page 537

    537 layer 2 switching modules ✓ multilayer switching modules qos rsvp detail displays detailed information about rsvp. Also indicates the state of qos and rsvp (whether enabled or disabled). Valid minimum abbreviation q r de important consideration ■ if no flows are installed on the module, the comm...

  • Page 538

    538 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos rsvp enable enables rsvp on a multilayer switching module. Valid minimum abbreviation q r e important considerations ■ by default, rsvp is disabled. ...

  • Page 539

    539 procedure 1 enter the maximum total reservable bandwidth, using a percentage of the output link (a value of from 0 through 200 , with 50 as the default). 2 enter the maximum per-reservation bandwidth, using a percentage of the output link (a value of from 0 through 100 , with 50 as the default)....

  • Page 540

    540 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos rsvp disable disables rsvp on a multilayer switching module. Valid minimum abbreviation q r di important considerations ■ by default, rsvp is disable...

  • Page 541

    541 qos bandwidth layer 2 switching modules ✓ multilayer switching modules display displays the link bandwidth as the ratio of bandwidth that is allocated to high priority traffic versus best effort traffic. Link bandwidth is the total link bandwidth less the bandwidth that rsvp and network control ...

  • Page 542

    542 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) qos bandwidth layer 2 switching modules ✓ multilayer switching modules modify sets how to weigh the high priority and best effort transmit queues, and sets rsvp bandwidth for the control queue. Low priority pac...

  • Page 543

    543 qos excesstagging layer 2 switching modules ✓ multilayer switching modules display displays status information about whether excess packets are tagged with a special ieee 802.1p tag value. Valid minimum abbreviation q e disp.

  • Page 544

    544 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) qos excesstagging layer 2 switching modules ✓ multilayer switching modules enable tags or retags excess packets with a special 802.1p tag value. This special value refers to any packets that are marked as exces...

  • Page 545

    545 qos excesstagging layer 2 switching modules ✓ multilayer switching modules disable disables the tagging of excess packets with a special 802.1p tag value. Valid minimum abbreviation q e disa important consideration ■ excess tagging is disabled by default..

  • Page 546

    546 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) layer 2 switching modules ✓ multilayer switching modules qos statistics interval sets a sampling interval for gathering qos statistics on a multilayer switching module. Valid minimum abbreviation q s i importan...

  • Page 547

    547 layer 2 switching modules ✓ multilayer switching modules qos statistics receive displays qos receive statistics on a multilayer switching module. Valid minimum abbreviation q s r important considerations ■ the module displays the statistics at the interval that you specified. The default interva...

  • Page 548

    548 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) nonflowresvpeak peak count: the highest number of conforming nonflow classifier bytes that have been received up to this point port if you display statistics for multiple ports, the port number that is associat...

  • Page 549

    549 layer 2 switching modules ✓ multilayer switching modules qos statistics transmit displays qos transmit statistics on a multilayer switching module. Valid minimum abbreviation q s t important considerations ■ the transmit statistics help you track bandwidth utilization and packet loss by physical...

  • Page 550

    550 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp) options fields in the qos transmit statistics display prompt description possible values [default] bridge ports port numbers of ports for which you want to display transmit statistics. The list of ports include...

  • Page 551

    551 port port number that is associated with the statistics queue queue that is associated with the statistics field description.

  • Page 552

    552 c hapter 18: q uality of s ervice (q o s) and r esource r eservation p rotocol (rsvp).

  • Page 553: Oving

    19 r oving a nalysis this chapter provides key information about how to configure and use roving analysis, including the following tasks: ■ display roving analysis configuration ■ add and remove monitor and analyzer ports ■ start and stop monitoring activity roving analysis is the mirroring of traff...

  • Page 554

    554 c hapter 19: r oving a nalysis menu structure the following diagram shows an inclusive list of commands that stem from the analyzer menu at software release 3.0.5: the commands that are available for you to use depend on two factors: ■ the level of management access with which you logged into th...

  • Page 555

    Analyzer display 555 ✓ layer 2 switching modules ✓ multilayer switching modules analyzer display displays the roving analysis configuration, showing which ports are designated as analyzer ports and which ports are currently being monitored. Valid minimum abbreviation an d fields in the analyzer disp...

  • Page 556

    556 c hapter 19: r oving a nalysis ✓ layer 2 switching modules ✓ multilayer switching modules analyzer add defines a bridge port to serve as a dedicated analyzer port. Valid minimum abbreviation an a important considerations ■ the port to which the analyzer is attached and the port you wish to monit...

  • Page 558

    558 c hapter 19: r oving a nalysis ✓ layer 2 switching modules ✓ multilayer switching modules analyzer remove restores the port to be a regular bridge port. Also restores the spanning tree state to its state before the port was configured as an analyzer port. Valid minimum abbreviation an r importan...

  • Page 559

    Analyzer start 559 ✓ layer 2 switching modules ✓ multilayer switching modules analyzer start starts port monitoring activity on the selected bridge port. Valid minimum abbreviation an sta important considerations ■ you must already have an analyzer port configured. First designate a bridge port to s...

  • Page 560

    560 c hapter 19: r oving a nalysis ✓ layer 2 switching modules ✓ multilayer switching modules analyzer stop stops port monitoring activity on the selected bridge port. Valid minimum abbreviation an sto important consideration ■ port data is no longer copied and forwarded to the selected analyzer por...

  • Page 561: Echnical

    A t echnical s upport 3com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the most recent information, 3com recommends that you access the 3com ...

  • Page 562

    562 a ppendix a: t echnical s upport 3com ftp site download drivers, patches, software, and mibs across the internet from the 3com public ftp site. This service is available 24 hours a day, 7 days a week. To connect to the 3com ftp site, enter the following information into your ftp client: ■ hostna...

  • Page 563

    Support from your network supplier 563 access by digital modem isdn users can dial in to the 3com bbs using a digital modem for fast access up to 64 kbps. To access the 3com bbs using isdn, call the following number: 1 847 262 6000 3com facts automated fax service the 3com facts automated fax servic...

  • Page 564

    564 a ppendix a: t echnical s upport when you contact 3com for assistance, have the following information ready: ■ product model name, part number, and serial number ■ a list of system hardware and software, including revision levels ■ diagnostic error messages ■ details about recent configuration c...

  • Page 565

    Returning products for repair 565 returning products for repair before you send a product directly to 3com for repair, you must first obtain an authorization number. Products sent to 3com without authorization numbers will be returned to the sender unopened, at the sender’s expense. To obtain an aut...

  • Page 566

    566 a ppendix a: t echnical s upport.

  • Page 567: Ndex

    I ndex numbers 3com bulletin board service (3com bbs) 562 3com knowledgebase web services 561 3com url 561 3comfacts 563 802.3_raw packets 107 a aarp (appletalk address resolution protocol) 490 to 492 address group adding port addresses 221 address threshold 103 address/port patterns for qos classif...

  • Page 568

    568 i ndex c cast types for qos classifiers 509, 530 changing vlans 196 channels management and data 24 checksums, appletalk 496 class of service (cos) 117 classifiers, qos applying controls to 526 default 508 defining 508 displaying detail information 506 displaying summary information 505 guidelin...

  • Page 569

    I ndex 569 f fax service (3comfacts) 563 fddi (fiber distributed data interface) fragmenting packets 106 fddi_snap packets 107 feedback on documentation 21 filter id 205 filters for qos flow classifiers defining 510 modifying 514 flow classifiers cast types 509, 514, 515 defining 508 predefined 505 ...

  • Page 570

    570 i ndex ip routing enabling or disabling 274 ipx forwarding statistics 469 forwarding, enabling or disabling 447 interfaces statistics 471 rip mode statistics 467 rip policy summary 450, 455 routes defining static 438 flushing learned routes 440 removing 439 sap (service advertisement protocol) m...

  • Page 571

    I ndex 571 nonflow classifiers cast types 509, 514, 515 defining 508 predefined 505 protocol types 509, 514, 515 removing 519 specifying ieee 802.1p tags 511, 516, 518 numbering ports, ethernet 81, 84 numbers for qos classifiers 509, 530 for qos controls 524 o online technical services 561 origin, v...

  • Page 572

    572 i ndex protocol types for qos classifiers 509, 530 modifying for vlans 193 modifying qos classifier 517 selecting for vlans 184, 186, 190 prune messages ip multicast 343 q qos modifying bandwidth 542 qos (quality of service) bandwidth displaying 541 modifying 542 qos (quality of service) classif...

  • Page 573

    I ndex 573 s sap (service advertisement protocol) mode statistics 468 triggered updates 457 sap mode ipx 456 sap policy define ipx 460 detail ipx 459 modify ipx 462 remove ipx 464 summary ipx 458 serial number 53 servers defining static ipx 443 displaying static ipx 441 table for 441 service levels ...

  • Page 574

    574 i ndex technical support 3com knowledgebase web services 561 3com url 561 bulletin board service 562 fax service 563 network suppliers 563 product repair 565 total reservable bandwidth 536 traceroute ip multicast 350 port number 300 transmit statistics, qos 549 trap reporting flushing addresses ...