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3Com CoreBuilder 9000 User Manual

Manual is about: 3Com Switch Command Reference Guide

Summary of CoreBuilder 9000

  • Page 1

    ® http://www.3com.Com/ corebuilder ® 9000 atm enterprise switch user guide software version 2.00 part no. Dua-c9000-1faa03 published february 1999.

  • Page 2

    3com corporation 5400 bayfront plaza santa clara, california 95052-8145 copyright © 1999, 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 conventions 20 command description 22 related documents 24 corebuilder 9000 documents 24 world wide web site documents 27 3com facts automated fax service documents 27 year 2000 compliance 28 1 o verview corebuilder 9000 atm enterprise switch 29 atm switch fabric module...

  • Page 4

    Sicherheitsvorkehrungen 40 sicherheitsinformationen für elektrostatische entladungen 41 vorkehrungen beim umgang mit dem modul 41 installation 42 installation prerequisites 42 installing the daughter cards 42 installing the atm interface module into the chassis 42 3 i ntegrated f ast s etup corebuil...

  • Page 5

    Setting up for management 65 display current ip configuration 66 update ip address 67 display current nms ip address 68 update nms address 69 display current default gateway ip address 70 update default gateway ip address 71 display current ip subnet mask 72 update ip subnet mask 73 display current ...

  • Page 6

    Configuring interface modules 101 display interface module slot occupancy 101 display interface module card parameters 103 enable interface 105 set port frame mode 106 set port clock mode 107 set loop mode 108 reset interface card 109 logging out and rebooting 110 logout 110 reboot 111 configuration...

  • Page 7

    Atm addresses port table 132 display user management entities (ume) atm addresses at port 132 display static atm addresses at port 136 display de-registered atm addresses at port 138 delete all atm addresses at port 140 add atm address to port 141 delete atm address by member id 142 get atm addresse...

  • Page 8

    Delete all inactive pvcs 179 delete all pvc connections of port 180 nni hops setup 181 display maximum nni hops 181 update maximum nni hops 182 signaling setup 183 display vpi/vci range 184 update vpi/vci range 186 display signaling protocol profile 187 update signaling protocol profile 190 display ...

  • Page 9: Lan E

    Signaling protocol statistics 221 display signaling protocol statistics 221 reset signaling counters 223 9 m anaging lan e mulation lan emulation services setup 226 display lan emulation services status 227 enable lan emulation services 228 disable lan emulation services 229 display lecs status 230 ...

  • Page 10

    Restore network topology 260 lecs database statistics 261 reset lecs 262 lan emulation redundancy 263 assign redundant les to elan 264 deassign redundant les from elan 265 make primary les active 266 display redundant elans general information 268 display redundant elans specific information 270 dis...

  • Page 11: Atm N

    10 atm n etwork b asics atm overview 307 atm cell structure 308 advantages of using fixed-length cells 309 atm layers 310 physical layer 310 atm layer 310 atm adaptation layer (aal) 311 functional planes 312 user plane 312 control plane 312 management plane 313 designing atm networks 313 atm network...

  • Page 12: E-Iisp P

    Gateway interface (gwy) 331 interim interswitch protocol (iisp) 331 12 e-iisp p rotocol introducing enhanced interim interswitch protocol (e-iisp) 333 iisp vs. E-iisp 334 features of e-iisp 335 hierarchy in an e-iisp network 335 hierarchic atm addressing 336 configuring network atm addresses 338 aut...

  • Page 13: Atm S

    Point-to-point calls 358 point-to-multipoint calls 358 displaying connections 359 signaling sequences 359 signaling timers 361 timer resolution 363 signaling aal 364 sscop 364 sscop timers 365 sscop configuration parameters 366 call control 366 managing signaling protocol parameters 367 routing — in...

  • Page 14

    Operation of the lan emulation 381 connecting a lec to an elan 381 address registration 382 address resolution 383 connection management 383 lan emulation in the corebuilder 9000 atm enterprise switch 384 default elan parameters 384 connecting a lec to an elan 385 lecs address access 385 address res...

  • Page 15: Atm S

    17 d evice m anagement overview 411 local management application (lma) 413 communication methods 413 security 414 snmp agent 415 management information base (mib) 415 snmp traps 416 managing by snmp 416 access methods 417 security 417 ethernet encapsulation type 418 corebuilder 9000 atm enterprise s...

  • Page 16

    B d ownloading s oftware software download/upgrade facility 429 hardware and software requirements 430 connecting to the control port 430 rs-232 upgrade instructions 430 putting the standby switch fabric module into suspend mode 430 preparations 431 downloading the software files 431 upgrading the s...

  • Page 17

    3com bulletin board service 446 3com facts automated fax service 447 support from your network supplier 447 support from 3com 447 returning products for repair 449 g lossary i ndex 3c om c orporation l imited w arranty.

  • Page 19: Bout

    A bout t his g uide the corebuilder 9000 atm enterprise switch user guide provides all the information that you need to configure and set up the corebuilder 9000 atm enterprise switch in atm networking environments. It also provides information about how the corebuilder 9000 atm enterprise switch op...

  • Page 20

    20 a bout t his g uide conventions table 1 and table 2 list 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 loss of data ...

  • Page 21

    Conventions 21 words in italics italics are used to: emphasize a point. Denote a new term at the place where it is defined in the text. Identify menu names, menu commands, and software button names. Examples: from the help menu, select contents. Click ok. Table 2 text conventions (continued) convent...

  • Page 22

    22 a bout t his g uide command description in chapters 4 through 9 of this guide, all of the local management application (lma) commands are explained. For each command, a standard format describes the command. Following is a sample of command descriptions: command actions command result enter the m...

  • Page 23

    Conventions 23 table 3 explains the command descriptions presented above:. Table 3 command description sections key section description a menu sequence the menu options that you select to execute the command, including all the levels and sublevels. B parameters the parameters to enter after the menu...

  • Page 24

    24 a bout t his g uide related documents this section provides information about supporting documentation, including: corebuilder 9000 documents world wide web site documents 3com facts automated fax service documents corebuilder 9000 documents the following documents comprise the corebuilder 9000 d...

  • Page 25

    Related documents 25 paper documents these documents are shipped with the corebuilder 9000 chassis: 16-slot chassis quick installation guide for the corebuilder 9000 enterprise switch instructions for installing the 16-slot chassis in a rack, on a table, or on a shelf, including prerequisites. 7-slo...

  • Page 26

    26 a bout t his g uide 16-slot chassis fan tray removal and replacement guide for the corebuilder 9000 enterprise switch instructions for removing a faulty fan tray and installing a new one in the 16-slot chassis. 7-slot chassis fan tray removal and replacement guide for the corebuilder 9000 enterpr...

  • Page 27

    Related documents 27 documents on cd-rom the documentation cd-rom contains online versions of the paper guides that are shipped with your chassis and other corebuilder 9000 documents in online format only, such as: corebuilder 9000 enterprise management engine user guide how to use the corebuilder 9...

  • Page 28

    28 a bout t his g uide year 2000 compliance for information on the year 2000 compliance and 3com products, visit the 3com year 2000 web page: http://www.3com.Com/products/yr2000.Html.

  • Page 29: Verview

    1 o verview this chapter provides an overview of the corebuilder ® 9000 atm enterprise switch. The following topics are covered: atm switch fabric module characteristics interfaces processors device management traffic management atm networks features standards and protocols corebuilder 9000 atm ente...

  • Page 30

    30 c hapter 1: o verview figure 1 shows the front panel of the atm switch fabric module. Note that, in the figure, the module is shown on its side; in the 16-slot chassis you install it vertically with the leds on top. Figure 1 atm switch fabric module front panel the module status led indicates the...

  • Page 31

    Corebuilder 9000 atm enterprise switch 31 you can install up to 11 atm interface modules in the 16-slot chassis and up to 5 atm interface modules in the 7-slot chassis. You can order the atm interface modules as a kit with daughter cards included or, you can order individual daughter cards separatel...

  • Page 32

    32 c hapter 1: o verview device management you can use the corebuilder 9000 atm enterprise switch local management application (lma) or transcend ® enterprise manager (or other snmp-based network management application) to manage your corebuilder 9000 atm enterprise switch. The corebuilder 9000 atm ...

  • Page 33

    Corebuilder 9000 atm enterprise switch 33 mechanisms for handling congestion the following mechanisms are used to manage congestion in the corebuilder 9000 atm enterprise switch fabric module: back pressure partial packet drop (ppd) (hardware ready) early packet drop (epd) (hardware ready) call admi...

  • Page 34

    34 c hapter 1: o verview software version 2.00 key features the corebuilder 9000 atm enterprise switch has the following key features: distributed output buffering an atm switching engine that provides full-rate, non-blocking switching for up to 22 oc-12c/stm-4 atm ports and up to 88 oc-3c/stm-1 155...

  • Page 35

    Standards and protocols supported 35 mibs supported — mib ii, atom mib, rmon mib, interface evolution mib, ncdchass mib (private) atm forum standards compliance electromagnetic compatibility — fcc part 15, en50081-1 (en55022 class b); en50082-1 (iec 801-2, iec 801-3, iec 801-4) safety — en60950, ul1...

  • Page 36

    36 c hapter 1: o verview.

  • Page 37: Tarting

    2 s tarting u p this chapter contains a description of the system states of the corebuilder ® 9000 atm switch fabric module and its daughter cards. Topics covered in this chapter include: safety precautions handling precautions précautions de sécurité précautions de manipulation sicherheitsvorkehrun...

  • Page 38

    38 c hapter 2: s tarting u p warning: when the corebuilder 9000 system is on, never insert metal objects, such as a screwdriver into open module slots and sure to remove all hand-worn jewelry (such as watches and rings). When the system is on, do not touch any connections within the chassis with you...

  • Page 39

    Précautions de sécurité 39 précautions de sécurité lorsque on manipule les éléments du système corebuilder 9000, il faut bien respecter les précautions de sécurité. Pour éviter des décharges électriques, des brûlures, des incendies ainsi que pour ne pas endommager l’équipement, veuillez bien lire et...

  • Page 40

    40 c hapter 2: s tarting u p précautions de manipulation respectez les précautions suivantes lorsque vous manipulez le module de switch fabric atm: tenez le module par son panneau avant ou comme indiqueé dans le atm switch fabric module getting started guide. Ne touchez pas les éléments, broches, br...

  • Page 41

    Vorkehrungen beim umgang mit dem modul 41 sicherheitsinfor- mationen für elektrostatische entladungen elektrostatische entladungen (esd) können einzelne baugruppen oder das gesamte modul beschädigen. Esd können vorkommen, wenn das modul nicht richtig gehandhabt wird und können eine dauerhafte oder z...

  • Page 42

    42 c hapter 2: s tarting u p installation this section describes installing the atm switch fabric module. Installation prerequisites before you install the atm switch fabric module, ensure that you have met all of the following prerequisite conditions: 1 complete the chassis unpacking and installati...

  • Page 43: Anagement

    I m anagement t asks chapter 3 integrated fast setup chapter 4 using the local management application chapter 5 configuring the platform chapter 6 managing network interfaces chapter 7 configuring virtual channels chapter 8 viewing statistics chapter 9 managing lan emulation.

  • Page 45: Ntegrated

    3 i ntegrated f ast s etup this chapter describes how to use the integrated fast setup procedure to configure the corebuilder ® 9000 atm enterprise switch, allowing it to function in the network. Corebuilder 9000 atm enterprise switch integrated fast setup after you have physically connected the cor...

  • Page 46

    46 c hapter 3: i ntegrated f ast s etup setup procedure sections table 6 lists the steps or sections of the integrated fast setup. Entering data the integrated fast setup procedure runs sequentially through the relevant data for all of the sections, displaying a prompt for each data item and a defau...

  • Page 47: Sing

    4 u sing the l ocal m anagement a pplication this chapter describes how to use the corebuilder ® 9000 atm enterprise switch local management application (lma) to configure and administer the corebuilder 9000 atm enterprise switch. A menu index shows the command structure of the lma and refers to the...

  • Page 48

    48 c hapter 4: u sing the l ocal m anagement a pplication lma access level the lma has three levels of access: read access, write access, and administer access. Each level grants different access privileges and is suited to a different type of user. Table 8 lists the privileges granted for each acce...

  • Page 49

    Starting up 49 to log in to the lma: 1 enter your access level (default is admin ). 2 enter your password. After a successful login, the main menu is displayed as shown in figure 2. Figure 2 lma main menu cb7000 switch module - main menu: ========== (1) sys: platform config -> (2) lem: lan emulation...

  • Page 50

    50 c hapter 4: u sing the l ocal m anagement a pplication the lma menu system the lma menu system is a set of command menus that are organized in a hierarchical, top-down fashion. Figure 3 shows the menu structure. Each command menu contains a numbered list of menu items. Each menu item has a three-...

  • Page 51

    The lma menu system 51 selecting menu options to select a menu option, you enter its number or its mnemonic identifier at the prompt symbol ( > ) that is displayed below the menu item list. You need to enter the first unique characters of the mnemonic identifier. The hierarchical path from the main ...

  • Page 52

    52 c hapter 4: u sing the l ocal m anagement a pplication the password setup menu is displayed as follows, followed by the path (1)sys\(1)set\(1)pas and the ( > ) prompt. These menu items are all configuration commands; none of them have arrows to the right. 4 at the password setup menu prompt, ente...

  • Page 53

    The lma menu system 53 entering multiple parameters when a command has more than one parameter, you can enter them all on the same command line with blanks in between or you can enter some or all of them on separate command lines. If you do not enter them all on one line, you are repeatedly prompted...

  • Page 54

    54 c hapter 4: u sing the l ocal m anagement a pplication logging out to log out of the lma, enter 7 at the main menu prompt. Automatic logout the corebuilder 9000 atm enterprise switch corebuilder 7000 family switchhas an automatic logout feature. If you do not use the keyboard for 15 minutes, the ...

  • Page 55

    Menu index 55 (4) sig: signaling setup (1) res: timer resolution setup (1) get: get timer resolution . . . . . . . . . . . . . . . . . . . . . . . . 197 (2) set: set timer resolution. . . . . . . . . . . . . . . . . . . . . . . . . 199 (2) tmr: get signaling q93b timers (3) vcc: vpi/vci range setup ...

  • Page 56

    56 c hapter 4: u sing the l ocal m anagement a pplication (2) fls: flash setup (1) res: reset config to defaults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 (2) res: reset all except ip addresses to defaults . . . . . . . . . . . . . . . . 87 (3) loa: load system software (1) sts: ...

  • Page 57

    Menu index 57 (4) reg: display redundant elans general info . . . . . . . . . . 268 (5) rlg: display redundant elans specific info . . . . . . . . . . 270 (6) rlg: display redundant less general info . . . . . . . . . . . . 272 (7) rls: display redundant les specific info . . . . . . . . . . . . . 2...

  • Page 58

    58 c hapter 4: u sing the l ocal m anagement a pplication (2) stp: static atm addresses setup (1) dad: delete all atm addresses of port . . . . . . . . . . . . . . . . . . 140 (2) add: add atm address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 (3) del: delete atm address . . ....

  • Page 59: Onfiguring

    5 c onfiguring the p latform this chapter describes how you configure common management tasks for the corebuilder ® 9000 atm enterprise switch platform. For a description of the login procedure, see “starting up” on page 47. Password setup setting up for management setting the port network connectio...

  • Page 60

    60 c hapter 5: c onfiguring the p latform password setup you can set up the three levels of access passwords to the lma, or reset all passwords to their factory defaults. Caution: 3com strongly recommends that you change passwords for security reasons. Three access passwords are provided: read-acces...

  • Page 61

    Password setup 61 update read-access password update the read-access password. Enter the new password a second time. To accept the default password, press enter. Command actions command result example enter: 1 1 1 1 the following dialog is displayed. Note that the passwords themselves are not displa...

  • Page 62

    62 c hapter 5: c onfiguring the p latform update write-access password update the write-access password. Enter the new password a second time to confirm your entry. To accept the default password, press enter. Command actions . Command result example enter: 1 1 1 2 the following dialog is displayed....

  • Page 63

    Password setup 63 update admin-access password update the admin-access password. Enter the new password a second time to confirm your entry. You are prompted for the existing password before you enter the new password. To accept the default password, press enter. Command actions command result examp...

  • Page 64

    64 c hapter 5: c onfiguring the p latform set password to factory default reset the passwords to their factory default settings for the corebuilder 9000 atm enterprise switch. These are, for each type of user: read access, write access, and administer access. For more information on access levels, s...

  • Page 65

    Setting up for management 65 setting up for management you can set up and display parameters for remotely managing the corebuilder 9000 atm enterprise switch. The corebuilder 9000 atm enterprise switch needs these parameters to communicate via the network. Display current ip configuration update ip ...

  • Page 66

    66 c hapter 5: c onfiguring the p latform display current ip configuration display the current ip address of the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 2 1 1 the following message is displayed: current ip address: 151.104.78.86 the current ip addres...

  • Page 67

    Setting up for management 67 update ip address update the ip address of the corebuilder 9000 atm enterprise switch. The default factory ip address is 0.0.0.0. The ip address is changed after the next reboot. Command actions command result example enter: 1 1 2 1 2 100.0.2.2 the following message is d...

  • Page 68

    68 c hapter 5: c onfiguring the p latform display current nms ip address display the current nms ip address where the corebuilder 9000 atm enterprise switch sends event traps. Command actions command result example enter: 1 1 2 2 1 the following message is displayed: current nms address: 151.104.78....

  • Page 69

    Setting up for management 69 update nms address update the nms ip address where the corebuilder 9000 atm enterprise switch sends the event traps. The factory default nms address is 255.255.255.255 . The nms ip address is changed after the next reboot command actions command result example enter: 1 1...

  • Page 70

    70 c hapter 5: c onfiguring the p latform display current default gateway ip address display the current default gateway ip address. The default gateway is used to locate the network management station (nms) if the nms is not found in the local ip subnetwork. Command actions command result example e...

  • Page 71

    Setting up for management 71 update default gateway ip address update the default gateway address. The default factory default gateway ip address is 151.104.78.20 . The default gateway ip address is changed after the next reboot. Command actions command result example enter: 1 1 2 3 2 100.1.0.254 th...

  • Page 72

    72 c hapter 5: c onfiguring the p latform display current ip subnet mask display the current ip subnet mask of the corebuilder 9000 atm enterprise switch. The ip subnet mask is used in conjunction with the ip address. Command actions command result example enter: 1 1 2 4 1 the following message is d...

  • Page 73

    Setting up for management 73 update ip subnet mask update the ip subnet mask of the corebuilder 9000 atm enterprise switch. The default factory ip subnet mask address is 255.255.255.0 . Command actions command result example enter: 1 1 2 4 2 255.255.0.0 the following message is displayed: subnet mas...

  • Page 74

    74 c hapter 5: c onfiguring the p latform display current read community string display the current read community string of the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 2 5 1 the following message is displayed: current read community string: public. ...

  • Page 75

    Setting up for management 75 update read community string update the read community string of the corebuilder 9000 atm enterprise switch. The read community string is updated after the next reboot. Command actions command result example enter: 1 1 2 5 2 public the following message is displayed: rea...

  • Page 76

    76 c hapter 5: c onfiguring the p latform display current write community string display the current write community string of the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 2 6 1 the following message is displayed: current write community string: priva...

  • Page 77

    Setting up for management 77 update write community string update the write community string of the corebuilder 9000 atm enterprise switch. The write community string is updated after the next reboot. Command actions command result example enter: 1 1 2 6 2 private the following message is displayed:...

  • Page 78

    78 c hapter 5: c onfiguring the p latform display ethernet encapsulation type display the current ethernet encapsulation type of the corebuilder 9000 atm enterprise switch. The ethernet encapsulation type parameter determines how the corebuilder 9000 atm enterprise switch interprets ethernet frames ...

  • Page 79

    Setting up for management 79 update ethernet encapsulation type update the ethernet encapsulation type of the corebuilder 9000 atm enterprise switch. The options are: 1-eth: standard encapsulation — according to 802.3 0-llc: enhanced encapsulation the default ethernet encapsulation type is 1-eth. Fo...

  • Page 80

    80 c hapter 5: c onfiguring the p latform set management configuration to factory defaults reset the management configuration to the factory defaults for the next reboot. Command actions command result example enter: 1 1 2 8 the following message is displayed: management configuration for next reboo...

  • Page 81

    Setting the port network connection type 81 setting the port network connection type you can set the network connection type for a specified port or a group of ports. To do this, you can use either the lma or the integrated fast setup. If you want to use the fast setup, see the corebuilder 9000 atm ...

  • Page 82

    82 c hapter 5: c onfiguring the p latform example enter: 1 1 3 3 the following information is displayed for a 16-slot chassis: port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni u...

  • Page 83

    Setting the port network connection type 83 example enter: 1 1 3 3 the following information is displayed for a 7-slot chassis: port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni ...

  • Page 84

    84 c hapter 5: c onfiguring the p latform update port network connection type update the network connection type (nni, uni, or gwy) for a specified port of the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 3 4 3.1.2 1 the following message is displayed: th...

  • Page 85

    Setting the port network connection type 85 reset nni configuration reset the nni configuration parameters for the corebuilder 9000 atm enterprise switch to their factory default settings. The default setting is uni for all ports, and 7 for maximum number of hops. Command actions command result exam...

  • Page 86

    86 c hapter 5: c onfiguring the p latform resetting all parameters you can reset all parameters for the corebuilder 9000 atm enterprise switch. Reset all reset all configuration parameters for the corebuilder 9000 atm enterprise switch to their factory default settings. Some parameters are reset onl...

  • Page 87

    Resetting all parameters except ip addresses 87 resetting all parameters except ip addresses you can reset the parameters, while leaving the current ip parameters, for the corebuilder 9000 atm enterprise switch. Reset all except ip addresses reset configuration parameters for the corebuilder 9000 at...

  • Page 88

    88 c hapter 5: c onfiguring the p latform downloading system software you can download the system software for the corebuilder 9000 atm enterprise switch. Display software download status download system software by tftp download system software by serial port upload switch/lane configuration downlo...

  • Page 89

    Downloading system software 89 example enter: 1 3 1 the most recent tftp software download status is displayed: completed successfully table 11 download messages message meaning and action system is loading from ip address, file. Received n% system is loading completed successfully download has comp...

  • Page 90

    90 c hapter 5: c onfiguring the p latform download system software by tftp perform tftp software download. Specify the server ip address and software file names. See appendix b for the full tftp software download procedure. The tftp download procedure runs in the background. Therefore, no message is...

  • Page 91

    Downloading system software 91 download system software by serial port prepare for local software download via rs-232 serial port. There are two load modes: load and operational. See appendix b for the full rs-232 serial port software download procedure. Table 12 describes the load modes that can be...

  • Page 92

    92 c hapter 5: c onfiguring the p latform upload switch/lane configuration upload the switch configuration or lane database configuration from the corebuilder 9000 atm enterprise switch to an external host. Specify the server ip address and the target configuration file name. Command actions. Comman...

  • Page 93

    Downloading system software 93 download switch/lane configuration download the switch and lane database configuration from an external host to the corebuilder 9000 atm enterprise switch. Specify the server ip address and the configuration file name. After the configuration has been downloaded, the f...

  • Page 94

    94 c hapter 5: c onfiguring the p latform example enter: 1 3 5 the following message is displayed: download of any configuration file will require to reboot the switch. No switch over to standby switch will be performed. Do you really want to continue? Y the following prompts are displayed: server i...

  • Page 95

    Managing switch fabric modules 95 managing switch fabric modules you can display switch fabric module information for the corebuilder 9000 atm enterprise switch. Display switch fabric module status reset switch reset standby switch fabric module set standby switch fabric module to suspended/ in-serv...

  • Page 96

    96 c hapter 5: c onfiguring the p latform switch fabric module parameters table 13 describes the switch fabric module parameters displayed by the command. . Table 13 switch fabric module parameters name description slot id specifies the slot number in the chassis (slots 8 or 9). The asterisks (***) ...

  • Page 97

    Managing switch fabric modules 97 reset switch reset the active switch fabric module. After the switch has been reset, the system is rebooted. While the system reboots (approx. 5 minutes), the standby switch automatically becomes active. When the standby switch fabric module is active, a new main me...

  • Page 98

    98 c hapter 5: c onfiguring the p latform reset standby switch fabric module reset the standby switch fabric module. Command actions command result example enter: 1 4 3 1 the following prompt is displayed: do you really want to reboot the switch? [y/n] y the switch is rebooted and following messages...

  • Page 99

    Managing switch fabric modules 99 set standby switch fabric module to suspended/ in-service mode set the standby switch fabric module to suspended/in-service mode. When the standby switch fabric module is suspended, it cannot be used to replace the active switch fabric module. Command actions comman...

  • Page 100

    100 c hapter 5: c onfiguring the p latform upgrade software files upgrade the software on the standby switch fabric module from the active switch fabric module. After upgrading, the standby switch fabric module must be reset. See “reset standby switch fabric module” on page 98 for details on how to ...

  • Page 101

    Configuring interface modules 101 configuring interface modules you can configure parameters for the interface modules of the corebuilder 9000 atm enterprise switch. Display interface module slot occupancy display interface module card parameters enable interface set port frame mode set port clock m...

  • Page 102

    102 c hapter 5: c onfiguring the p latform example (for the 16-slot chassis and 7-slot chassis) enter: 1 5 1 0 interface module slot occupancy information for the 16-slot chassis is displayed as follows: interface module slot occupancy information for the 7-slot chassis is displayed as follows: slot...

  • Page 103

    Configuring interface modules 103 display interface module card parameters display parameters of an installed interface module. You are prompted to specify an interface module for display. Command actions co mmand result example enter: 1 5 1 5 parameters of the ports of the selected atm interface mo...

  • Page 104

    104 c hapter 5: c onfiguring the p latform interface card slot occupancy parameters table 15 describes the interface card slot occupancy parameters displayed by the command. Table 15 interface parameters parameter description port id the port id number for each of the module’s ports in the format sl...

  • Page 105

    Configuring interface modules 105 enable interface enable interface module port. You are prompted to specify a port. Command actions command result example enter: 1 5 2 1.1.2 the following message is displayed: setting port state command has completed successfully. Port 2 of the selected atm interfa...

  • Page 106

    106 c hapter 5: c onfiguring the p latform set port frame mode set the interface mode of the selected port as sdh or sonet and save to flash memory. You are prompted to specify a port and a mode. Command actions command result when setting the port frame mode on one of the ports of the oc-3 card, al...

  • Page 107

    Configuring interface modules 107 set port clock mode set the port clock operational mode of selected port as internal or external and save to flash memory. You are prompted to specify a port and a mode. Command actions command result example enter: 1 5 4 1.1.2 1 the following message is displayed: ...

  • Page 108

    108 c hapter 5: c onfiguring the p latform set loop mode set the loop mode of selected port as none, loop forward, or loop back. You are prompted to specify a port and a mode. Command actions command result example enter 1 5 5 1.1.2 1 the following message is displayed: setting loop mode has complet...

  • Page 109

    Configuring interface modules 109 reset interface card reset the interface module in a specific slot, or all the interface modules. Command actions command result example enter: 1 5 8 0 the following prompt is displayed: do you really want to reset all the interface cards (y/n)? Enter y to confirm. ...

  • Page 110

    110 c hapter 5: c onfiguring the p latform logging out and rebooting you can log out and reboot the corebuilder 9000 atm enterprise switch. Logout reboot logout log out of the current session. Command actions command result example enter: 7 the system is logged out. Enter the menu sequence: (7) log:...

  • Page 111

    Logging out and rebooting 111 reboot reboot the system. Command actions command result example enter: 1 7 the following prompt is displayed: do you really want to reboot the system? (y/n)? Enter y to confirm. The following message is displayed: rebooting the system.... The reboot operation takes abo...

  • Page 112

    112 c hapter 5: c onfiguring the p latform configuration flash status show status of the configuration flash. When you change the configuration of the corebuilder 9000 atm enterprise switch, the new configuration is stored in the configuration flash. This command indicates when the new configuration...

  • Page 113

    Atm features and software versions 113 atm features and software versions you can display the following atm features and the software version number: display atm features display software versions display atm features display the atm features available on this corebuilder 9000 atm enterprise switch....

  • Page 114

    114 c hapter 5: c onfiguring the p latform display software versions display the software versions currently installed in the lma and in the corebuilder 9000 atm interface modules. Consult your release notes for latest software version numbers. Command actions command result example enter: 8 the fol...

  • Page 115

    Lecs atm address 115 lecs atm address you can display and update the lan emulation configuration server (lecs) atm address. Display lecs atm address update lecs atm address display lecs atm address display the atm address of the lecs in the corebuilder 9000 atm enterprise switch unit. Command action...

  • Page 116

    116 c hapter 5: c onfiguring the p latform update lecs atm address update the lecs atm address in the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 5 2 5 the latest saved lecs atm address is displayed. To change it, use the backspace key and enter the new ...

  • Page 117

    Setting up the switch clock source 117 setting up the switch clock source using this option, you can set up all the parameters to configure and synchronize the data speed clocks on different ports of the corebuilder 9000 atm enterprise switch to an external clock source. Get clock source status set ...

  • Page 118

    118 c hapter 5: c onfiguring the p latform example enter: 1 8 1 the clock source information is displayed: set external clock source 1 set a port to be the first external clock source port. If the port does not exist, is disabled, is in loop timing mode, loopback or loop forward, it cannot be used a...

  • Page 119

    Setting up the switch clock source 119 example enter: 1 8 2 5.1.2 the following message is displayed: external clock source port 1 was successfully configured to port 5.1.2. Set external clock source 2 set a port to be the second external clock source port. If the port does not exist, is disabled, i...

  • Page 120

    120 c hapter 5: c onfiguring the p latform example enter: 1 8 3 5.1.2 the following prompt is displayed: this operation will change the active clock source. Do you really want to change it (y/n)? Y the following message is displayed: external clock source port 2 was successfully configured to port ....

  • Page 121: Anaging

    6 m anaging n etwork i nterfaces this chapter describes how you view and define network interfaces with the corebuilder ® 9000 atm enterprise switch. Ilmi setup atm addresses port table port interface type network prefix ilmi setup you can configure the interim local management interface (ilmi) with...

  • Page 122

    122 c hapter 6: m anaging n etwork i nterfaces display ilmi version display the ilmi version for the specified port of the corebuilder 9000 atm enterprise switch. For more information, see “basic ilmi functions” on page 324. Command actions command result example enter: 1 1 8 1 1 3.1.2 the following...

  • Page 123

    Ilmi setup 123 update ilmi version update the ilmi version for the specified port in the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 8 1 2 3.1.2 1 the following message is displayed: ilmi version is reconfigured. The ilmi version of port 3.1.2 is updated...

  • Page 124

    124 c hapter 6: m anaging n etwork i nterfaces display auto-configuration status display the auto-configuration status for the specified port of the corebuilder 9000 atm enterprise switch. Auto-configuration determines, by negotiation, the user-network interface (uni) parameters for the specified po...

  • Page 125

    Ilmi setup 125 update auto-configuration status update the auto-configuration status for the specified port in the corebuilder 9000 atm enterprise switch. Enable the auto-configuration status only if both atm switch fabric modules have an auto-configuration capability. Command actions command result...

  • Page 126

    126 c hapter 6: m anaging n etwork i nterfaces display lecs access options display the current communication channel between lec and lecs for the specified port of the corebuilder 9000 atm enterprise switch. The lecs-via-ilmi parameter determines whether the lec that is attached to the port connects...

  • Page 127

    Ilmi setup 127 update lec/lecs communication channel update the lecs-via-ilmi parameter for the specified port in the corebuilder 9000 atm enterprise switch. If this parameter is enabled, the lec communicates on the channel vpi/vci = (0/16) with the ilmi mib. It submits an inquiry to obtain the lecs...

  • Page 128

    128 c hapter 6: m anaging n etwork i nterfaces display ilmi channel polling status display the ilmi channel polling facility status for the specified port of the corebuilder 9000 atm enterprise switch. If enabled, the ilmi channel vpi/vci = (0/16) is periodically polled for connectivity. For more in...

  • Page 129

    Ilmi setup 129 update ilmi channel polling status update and save the channel polling facility status for the specified port in the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 8 4 2 3.1.2 1 the following message is displayed: ilmi polling is set to enabl...

  • Page 130

    130 c hapter 6: m anaging n etwork i nterfaces display ilmi channel polling interval display the ilmi channel polling interval for the specified port of the corebuilder 9000 atm enterprise switch. If enabled, the ilmi channel vpi/vci = (0/16) is periodically polled for connectivity. Command actions ...

  • Page 131

    Ilmi setup 131 update ilmi channel polling interval update and save the ilmi channel polling interval for the specified port in the corebuilder 9000 atm enterprise switch. The minimum value of the polling interval is 30 seconds. The default ilmi polling value is 30 seconds. Command actions command r...

  • Page 132

    132 c hapter 6: m anaging n etwork i nterfaces atm addresses port table you can configure the atm addresses as follows: display user management entities (ume) atm addresses at port display static atm addresses at port display de-registered atm addresses at port delete all atm addresses at port add a...

  • Page 133

    Atm addresses port table 133 command actions command result enter the menu sequence: (3) con: connections (1) add: get atm addresses (1) ume: get ume addresses at port enter a parameter at the prompt parameter format or range port id ( 0.0 for all ports) direct access sequence: 3 1 1 [parameters] sy...

  • Page 134

    134 c hapter 6: m anaging n etwork i nterfaces example enter: 3 1 1 0.0 the following information is displayed. Note that port 1 of slots 1 and 2 have multiple atm addresses registered. Port atm address: network prefix atm address:user_part member man id id ------- ----------------------------------...

  • Page 135

    Atm addresses port table 135 ume parameters table 16 describes the ume parameters displayed by the command. . Table 16 ume parameters name description port id atm port id. Atm address - network prefix network prefix of atm address. Atm address - user part user part of atm address. Member id the memb...

  • Page 136

    136 c hapter 6: m anaging n etwork i nterfaces display static atm addresses at port display static atm addresses registered for the specified port. This command includes atm addresses that have been entered manually via lma or learned addresses over network-to-network interface (nni) connection (e-i...

  • Page 137

    Atm addresses port table 137 example enter: 3 1 2 0.0 the following information is displayed: parameters table 17 describes the parameters displayed by the command. Port atm address: network prefix atm address:user_part member man number number -------- -------------------------------------- -------...

  • Page 138

    138 c hapter 6: m anaging n etwork i nterfaces display de-registered atm addresses at port display ume, static atm or nni addresses at the specified port that were de-registered via lma or ume but whose connections are still active. Command actions command result example enter: 3 1 3 0.0 the followi...

  • Page 139

    Atm addresses port table 139 parameters table 18 describes the parameters displayed by the command. Table 18 parameters name description port id atm port id. Atm address - network prefix network prefix of atm address. Atm address - user part user part of atm address. Member number the member number ...

  • Page 140

    140 c hapter 6: m anaging n etwork i nterfaces delete all atm addresses at port delete the atm addresses registered at the specified port including those registered by ilmi and those that were created manually through the lma. The addresses are deleted from the mib at the port (they are de-registere...

  • Page 141

    Atm addresses port table 141 add atm address to port add an atm address to the list of registered atm addresses at a port. Enter the port number and atm address. Use this command, for example, with devices that do not support ilmi; you must add atm addresses manually to interface with such devices. ...

  • Page 142

    142 c hapter 6: m anaging n etwork i nterfaces delete atm address by member id delete the atm address from the list of registered atm addresses at a port. The address is deleted from the mib at the port; in other words, it is de-registered. Specify the atm address by its member id. For a list of add...

  • Page 143

    Atm addresses port table 143 get atm addresses at port get the manual atm addresses at a specific port. Command actions command result example enter: 3 4 2 4 0.0 the following information is displayed: ume parameters table 19 describes the parameters displayed by the command. Enter the menu sequence...

  • Page 144

    144 c hapter 6: m anaging n etwork i nterfaces delete all inactive addresses delete all atm addresses that do not exist for the port but are currently present in flash memory. These ports are not installed or failed. Command actions command result example enter: 3 4 2 5 the following prompt is displ...

  • Page 145

    Port interface type 145 port interface type you can configure the port interface type. Display port interface type update port interface type reset nni configuration see chapter 11 for more information about port interface types. Display port interface type display the interface type for each port o...

  • Page 146

    146 c hapter 6: m anaging n etwork i nterfaces example enter: 1 1 3 3 the following information is displayed: port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: value: uni uni uni uni uni uni uni uni port: valu...

  • Page 147

    Port interface type 147 update port interface type update the interface type (nni, uni, or gwy) for a specified port of the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 3 4 3.1.2 1 the following message is displayed: this operation will release all connec...

  • Page 148

    148 c hapter 6: m anaging n etwork i nterfaces reset nni configuration reset the nni configuration parameters for the corebuilder 9000 atm enterprise switch to their factory default settings. The default setting is uni for all ports, and 7 for maximum number of hops. The reset takes place after the ...

  • Page 149

    Network prefix 149 network prefix you can display and configure the network prefix. Display network prefix update network prefix reset network prefix configuration for more information about the use of network prefix, see “hierarchic atm addressing” on page 336. Display network prefix display the ne...

  • Page 150

    150 c hapter 6: m anaging n etwork i nterfaces update network prefix update the network prefix in the corebuilder 9000 atm enterprise switch. The prefix update takes place after the next reboot. Command actions command result example enter: 1 1 6 2 the following prompt is displayed: enter parameter(...

  • Page 151

    Network prefix 151 reset network prefix configuration reset the network prefix configuration parameters for the corebuilder 9000 atm enterprise switch to their factory default settings. The default setting is 47.00.00.00.00.00.3c.00.60.9*. The reset takes place after the next reboot. Command actions...

  • Page 152

    152 c hapter 6: m anaging n etwork i nterfaces.

  • Page 153: Onfiguring

    7 c onfiguring v irtual c hannels this chapter describes how to configure atm virtual channels. Display atm addresses display call routing display port connections create permanent virtual channel (pvc) nni hops setup signaling setup signaling timers.

  • Page 154

    154 c hapter 7: c onfiguring v irtual c hannels display atm addresses you can display information about atm addresses at different ports. Display ume addresses at port display the ume address at a specific port or at all ports. Command actions command result enter the menu sequence: (3) con: connect...

  • Page 155

    Display atm addresses 155 display static and nni addresses at port display the static addresses (which are the manually entered atm addresses) and nni addresses at a specific port or at all ports. Command actions command result enter the menu sequence: (3) con: connections (1) add: get atm addresses...

  • Page 156

    156 c hapter 7: c onfiguring v irtual c hannels display non-active atm addresses at port display the non-active registered atm addresses at a specific port or at all ports. Command actions command result enter the menu sequence: (3) con: connections (1) add: get atm addresses (3) act: get not active...

  • Page 157

    Display call routing 157 display call routing you can display call routing to an atm address. For information about routing, see “routing — internal links” on page 368. Display call routed to atm address display information for a call routed through a port to a specified atm address registered at th...

  • Page 158

    158 c hapter 7: c onfiguring v irtual c hannels command actions command result enter the menu sequence: (3) con: connections (2) rtg: routing (1) cll: calls enter a parameter at the prompt parameter format or range for svc: atm address member for pvc: port number sequential number for example: 11102...

  • Page 159

    Display call routing 159 . Example — display all svc calls for an atm address member enter: 3 2 1 11102 0 information for all calls with atm address member 11102 (the second atm address registered at port 1.1.1) are displayed. Note that both calls with the atm address member as input connection and ...

  • Page 160

    160 c hapter 7: c onfiguring v irtual c hannels . Example — display all pvc calls for a port enter: 3 2 1 1.1.1 0 the list of all calls at port 1.1.1 is displayed. There is one p2m call with two additional destinations. Example — display info for a specific pvc call enter: 3 2 1 1.1.1 1 the details ...

  • Page 161

    Display call routing 161 call parameters table 20 shows the call parameters displayed by the command. Table 20 call parameters name description call number this is the unique number that identifies the call. Call type whether the call is svc or pvc, and if it is a point-to-point or point-to-multipoi...

  • Page 162

    162 c hapter 7: c onfiguring v irtual c hannels display port connections you can display the port atm connections. Display ume address port connection display static address port connection display inactive address port connections for information about establishing port connections, see “external l...

  • Page 163

    Display port connections 163 example — display all connections at a port enter: 3 3 1 1.1.1 a 0 multiple atm addresses at the port 1.1.1 are displayed where each atm address has multiple svcs defined by their vpi/vci values. Conn call port member conn conn oper admin originator clp number number num...

  • Page 164

    164 c hapter 7: c onfiguring v irtual c hannels example — display info for a connection at a port enter: 3 3 1 1.1.1 3 200 the information for the connection 0/46 at port 1.1.1 is displayed. Port svc connection parameters table 21 shows the port svc connection parameters displayed by the command. Co...

  • Page 165

    Display port connections 165 display static address port connection display a connection relating to a specific vpi/vci of the port or all connections (all vpi/vci) of the port. The connections involve virtual channels created between static addresses defined by lma. Command actions command result o...

  • Page 166

    166 c hapter 7: c onfiguring v irtual c hannels example enter: 3 3 2 3.1.2 a 0 the following information is displayed: port static connection parameters table 22 shows the port static connection parameters displayed by the command. Conn call port member conn conn oper admin originator clp number num...

  • Page 167

    Display port connections 167 display inactive address port connections display a connection relating to a specific vpi/vci of the port or all connections related to de-registered addresses. Command actions command result enter the menu sequence: (3) con: connections (3) prt: atm ports (3) act: not a...

  • Page 168

    168 c hapter 7: c onfiguring v irtual c hannels create permanent virtual channel (pvc) the following commands allow you to create a pvc: display pvc vpi/vci limits create pvc — full setup create pvc — quick setup add pvc destination release pvc release pvc destination display pvcs delete all inactiv...

  • Page 169

    Create permanent virtual channel (pvc) 169 create pvc — full setup set up a pvc (permanent virtual connection). Requires all parameters for a pvc to be defined. You must create a pvc for each port-to-port connection in your atm network. (for more information, see “permanent virtual channels” on page...

  • Page 170

    170 c hapter 7: c onfiguring v irtual c hannels command actions enter the menu sequence: (3) con: connections (4) s&c: setup of connections and atm addresses (1) pvc: pvcs setup (1) get: display vpi/vci limits (2) crf: create full pvc call enter a parameter at the prompt parameter format or range ca...

  • Page 171

    Create permanent virtual channel (pvc) 171 command result example enter: 3 4 1 1 2 p2p 0 0 0 5.1.2 1 55 1 5.1.4 0 60 the following message is displayed: a new pvc was created with call number: 11 port static connection parameters table 23 shows the port static connection parameter s that must be ent...

  • Page 172

    172 c hapter 7: c onfiguring v irtual c hannels create pvc — quick setup set up pvc using the default for parameters not explicitly set. Default values for cell loss level, priority, and cell loss priority are used. (see table 23.) the same limits as full pvc call setup apply. For more information, ...

  • Page 173

    Create permanent virtual channel (pvc) 173 add pvc destination create an additional destination connection (branch) for an existing point-to-multipoint pvc. You can only create an additional destination if the existing pvc was predefined as a plm pvc. Enter the call number of the original pvc setup ...

  • Page 174

    174 c hapter 7: c onfiguring v irtual c hannels command result example enter: 3 4 1 1 4 9 5.1.4 0 55 0 the following message is displayed: a new output vc was created with call number: 9 out connection number: 25 system action taken: an additional pvc destination with parameters specified is created...

  • Page 175

    Create permanent virtual channel (pvc) 175 release pvc release a specified pvc. Pvcs must be manually released. When a p2m pvc is released, all additional destination connections are also released. You cannot release svcs with this menu. In a p2m (point-to-multi-point call), this option releases all...

  • Page 176

    176 c hapter 7: c onfiguring v irtual c hannels release pvc destination release a single destination connection (branch) from a point-to-multipoint call. Specify the p2m call number and the output port number and vpi/vci of the destination connection. Command actions command result enter the menu se...

  • Page 177

    Create permanent virtual channel (pvc) 177 example enter: 3 4 1 1 6 1 1.1.4 1 60 the following message is displayed: the additional connection with output port 1.1.4 and vpi/vci values of 1/60, which was added to the p2m connection with call number 1, is released. An outgoing vc with call number: 1,...

  • Page 178

    178 c hapter 7: c onfiguring v irtual c hannels display pvcs display the pvcs for a specific port and call number. Command actions command result example enter: 3 4 1 1 7 5.1.1 0 the following information is displayed. See table 23 for more information about the parameters shown. Enter the menu sequ...

  • Page 179

    Create permanent virtual channel (pvc) 179 delete all inactive pvcs delete all pvcs that are inactive. A pvc that does not contain a card is inactive. Command actions command result example enter: 3 4 1 1 8 the following prompt appears: delete all inactive pvcs from flash! Are you sure (y/n)? Enter ...

  • Page 180

    180 c hapter 7: c onfiguring v irtual c hannels delete all pvc connections of port delete all the pvc connections for a specific port. Command actions command result example enter: 3 4 1 1 9 the following prompt is displayed: delete all pvcs of port ! Are you sure? Enter y to confirm, n to cancel. T...

  • Page 181

    Nni hops setup 181 nni hops setup the following commands allow you to configure the nni hops parameter: display maximum nni hops update maximum nni hops for more information about hops, see “hop limit — avoiding loops” on page 370. Display maximum nni hops display the maximum number of hops permissi...

  • Page 182

    182 c hapter 7: c onfiguring v irtual c hannels update maximum nni hops enter the new maximum nni hops parameter to update the maximum nni hops parameter of the corebuilder 9000 atm enterprise switch. The choice of parameter value depends on the size and topology of the network. For a hierarchically...

  • Page 183

    Signaling setup 183 signaling setup the following commands allow you to configure the ilmi signaling parameters: display vpi/vci range update vpi/vci range display signaling protocol profile update signaling protocol profile display signaling protocol version update signaling protocol version displa...

  • Page 184

    184 c hapter 7: c onfiguring v irtual c hannels display vpi/vci range display the current signaling protocol vpi/vci configuration parameters for a specified port. Maximum and minimum vpi/vci values are displayed for each port. These parameters are set to match the vpi/vci capabilities of the device...

  • Page 185

    Signaling setup 185 example enter: 1 1 4 3 1 3.1.2 the following information is displayed for an oc-3c port: the following information is displayed for an oc-12c port: vpi/vci ranges : param number param name param value -------- ------------------------------ ----------- 1 min vpi 0 2 max vpi 7 3 m...

  • Page 186

    186 c hapter 7: c onfiguring v irtual c hannels update vpi/vci range update the vpi/vci configuration parameters of the specified port. You set maximum and minimum vpi/vci values for each port. For more information, see “display vpi/vci range” on page 184. Note that when the ilmi auto-configuration ...

  • Page 187

    Signaling setup 187 example enter: 1 1 4 3 2 3.1.2 1 0 the following message appears: this operation will release all connections of the specified port(s)! Are you sure (y/n)? Enter y to confirm, n to cancel. The following message is displayed: parameter was successfully set. The maximum vpi for por...

  • Page 188

    188 c hapter 7: c onfiguring v irtual c hannels command actions command result enter the menu sequence: (1) sys: platform configuration (1) set: switch setup (4) sig: signaling setup (5) sps: signaling protocol configuration setup (1) gpr: get profiles of ports direct access sequence: 1 1 4 5 1 syst...

  • Page 189

    Signaling setup 189 example enter: 1 1 4 5 1 the following message is displayed. Note that net refers to a network side; usr refers to a user side. Slots 1-5 are displayed. Profile: port number: current val: net net net net net net net net val for save: net net net net net net net net next reb val: ...

  • Page 190

    190 c hapter 7: c onfiguring v irtual c hannels update signaling protocol profile update the signaling protocol profile for the selected port. See the previous section for details. This command causes the new signaling protocol parameters to be activated in the current session, and the new value is ...

  • Page 191

    Signaling setup 191 display signaling protocol version display the current signaling protocol version for the specified port. It can be either version 3.0 or version 3.1. Command actions command result the following information is displayed: enter the menu sequence: (1) sys: platform configuration (...

  • Page 192

    192 c hapter 7: c onfiguring v irtual c hannels protocol version parameters table 24 shows the protocol version parameters displayed by the command. H table 24 protocol version parameters name description port number number of port on which the protocol version is being set. Value the active protoco...

  • Page 193

    Signaling setup 193 update signaling protocol version update the signaling protocol version of the ports of the corebuilder 9000 atm enterprise switch and save it to flash. Command actions command result example enter: 1 1 4 5 4 3.1.2 1 the following prompt is displayed: this operation will release ...

  • Page 194

    194 c hapter 7: c onfiguring v irtual c hannels display call-proceeding enable value display the value of the call-proceeding enable value. With the call-proceeding enable value, the user can suppress the call-proceeding message that is returned to the edge device or end user that has sent a signali...

  • Page 195

    Signaling setup 195 update call-proceeding enable value update the signaling call-proceeding enable flag and save it to flash memory. See the previous section for more details. Command actions command result example enter: 1 1 4 6 2 1 the following message appears: call proceeding flag was successfu...

  • Page 196

    196 c hapter 7: c onfiguring v irtual c hannels reset signaling configuration reset the signaling configuration parameters for the corebuilder 9000 atm enterprise switch to their factory default settings. All signaling timers are set to default as uni and the uni version is set to 3.0. The reset tak...

  • Page 197

    Signaling timers 197 signaling timers you can configure the ilmi signaling timers. Display protocol timer resolution update protocol timer resolution display uni signaling timers display uni signaling timers display qsaal signaling timers and protocol configuration for information about signaling ti...

  • Page 198

    198 c hapter 7: c onfiguring v irtual c hannels command actions command result example enter: 1 1 4 1 1 the following information is displayed: timer resolution (msec): 500msec enter the menu sequence: (1) sys: platform configuration (1) set: switch setup (4) sig: signaling setup (1) res: timer reso...

  • Page 199

    Signaling timers 199 update protocol timer resolution update the timer resolution of the corebuilder 9000 atm enterprise switch. The default timer resolution is 500 msec (0.5 secs); the minimum timer resolution is 100 msec and there is no upper limit. For more information, see the previous section a...

  • Page 200

    200 c hapter 7: c onfiguring v irtual c hannels display uni signaling timers display the current q93b signaling timer values in seconds. These values are the same for all ports because they all work on a common timer. Enter any port identifier. To alter these values, update the timer resolution. For...

  • Page 201

    Signaling timers 201 example enter: 1 1 4 2 3.1.2 the following information is displayed, showing each message/timer name and its value in seconds: timers(sec): param number param name current value -------- ------------------------------ ------- 1 q93b_t303 24 2 q93b_t308 180 3 q93b_t310 60 4 q93b_...

  • Page 202

    202 c hapter 7: c onfiguring v irtual c hannels display qsaal signaling timers and protocol configuration display the current qsaal signaling protocol timer values and service specific connection-oriented protocol (sscop) configuration parameters for the specified port. The timer values are displaye...

  • Page 203

    Signaling timers 203 for stability, make the timer no-response greater than timer keep-alive, and make timer no-response greater than timer poll. Also, make timer no-response and timer cc greater than the round trip delay. Sscop configuration parameters table 26 shows the sscop configuration paramet...

  • Page 204

    204 c hapter 7: c onfiguring v irtual c hannels example enter: 1 1 4 4 3.1.2 the following information is displayed (1-9 are timers, 10-13 are configuration parameters): signaling qsaal timers(tenths of second): for port param number param name current value -------- ------------------------------ -...

  • Page 205: Iewing

    8 v iewing s tatistics this chapter contains detailed descriptions of common management tasks for viewing statistics of traffic flow in the corebuilder ® 9000 atm enterprise switch platform. Physical layer statistics atm-layer statistics aal5-layer statistics aal5 control frame port statistics signa...

  • Page 206

    206 c hapter 8: v iewing s tatistics example enter: 4 1 1 1.1.1 the following information is displayed: sonet section level bip errors (b1): 0 sonet line level bip errors (b2): 0 sonet path level bip errors (b3): 0 sonet loss of signal state (los): on sonet loss of frame state (lof): off sonet loss ...

  • Page 207

    Physical layer statistics 207 sonet path alarm indication signal state (path ais) sonet line alarm indication signal state (line ais) the ais is an all-ones characteristic or adapted information signal. It is generated to replace the normal traffic signal when it contains a defect condition in order...

  • Page 208

    208 c hapter 8: v iewing s tatistics reset physical layer statistics reset physical layer statistics for a specified port. Command actions command result example enter: 4 1 2 1.1.1 the following message is displayed: reset physical counters completed successfully. The physical statistics are reset f...

  • Page 209

    Atm-layer statistics 209 atm-layer statistics you can display the following atm-layer statistics: display total calls in switch display counters per port display counters per vpi/vci reset counters per port reset counters per vpi/vci for more information on atm statistics, see “traffic statistics” o...

  • Page 210

    210 c hapter 8: v iewing s tatistics example enter: 4 2 1 the following information is displayed: calls summary: -------------- total number of pvc p2p calls: 1 total number of pvc p2m calls: 2 total number of svc p2p calls: 8 total number of svc p2m calls: 4.

  • Page 211

    Atm-layer statistics 211 display counters per port display counters for a specified port or for all ports. Command actions command result example: enter: 4 2 2 the following information is displayed: enter the menu sequence: (4) sts: statistics (2) atm: atm layer (2) gpr: get counters per port direc...

  • Page 212

    212 c hapter 8: v iewing s tatistics display counters per vpi/vci display total cells through a connection specified by its vpi/vci, presented according to the setting of the clp bit. If the call is p2m (point to multipoint), the transmit or receive information is not always applicable. Command acti...

  • Page 213

    Atm-layer statistics 213 reset counters per port reset the statistics counter for total cells through a port. For more information, see “display total calls in switch” on page 209. Command actions command result example enter: 4 2 4 1.1.1 the following message is displayed: reset atm counters comple...

  • Page 214

    214 c hapter 8: v iewing s tatistics reset counters per vpi/vci resets the statistics counter for total cells through a connection. For more information, see “atm-layer statistics” on page 209. Command actions command result example enter: 4 2 5 1.1.1 a a the following messages are displayed: reset ...

  • Page 215

    Aal5-layer statistics 215 aal5-layer statistics you can display the following aal5-layer statistics: display aal-layer statistics reset aal-layer statistics for more information on aal5 statistics, see “traffic statistics” on page 373. Display aal-layer statistics display aal-layer statistics for th...

  • Page 216

    216 c hapter 8: v iewing s tatistics example enter: 4 3 1 the following information is displayed: aal counters: ============= max connections: 5316 active connections: 42 sar memory size: ================ ssram size: 512kb sdram size: 8mb sar counters: ============= rx correct frames: 0 tx correct f...

  • Page 217

    Aal5-layer statistics 217 reset aal-layer statistics reset the aal-layer statistics for the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 4 3 2 the following message is displayed: reset all aal counters completed successfully. The counters are reset. Enter the...

  • Page 218

    218 c hapter 8: v iewing s tatistics aal5 control frame port statistics you can display the following aal5 control statistics: display control frame port statistics reset control frame port statistics for information about aal5-layer control, see “signaling aal” on page 364. Display control frame po...

  • Page 219

    Aal5 control frame port statistics 219 example enter: 4 4 1 1.1.1 the following information is displayed: port number: signaling ilmi ----------- ------ max transmit sdu size in bytes: 0 0 number of transmitted sdus: 0 0 max received sdu size in bytes: 0 0 number of sdus received without errors: 0 0...

  • Page 220

    220 c hapter 8: v iewing s tatistics reset control frame port statistics resets control frame statistics for a specified port. Command actions command result example enter: 4 4 2 1.1.1 the following message appears: reset counters completed successfully. The aal5-layer control statistics are reset f...

  • Page 221

    Signaling protocol statistics 221 signaling protocol statistics you can display the following signaling statistics: display signaling protocol statistics reset signaling counters for information about signaling protocol, see “signaling protocol” on page 355. Display signaling protocol statistics dis...

  • Page 222

    222 c hapter 8: v iewing s tatistics example enter: 4 5 1 1.1.1 the following information is displayed: number of number of messages transmitted messages received -------------------- ----------------- call proceeding 0 0 connect 0 0 connect acknowledge 0 0 setup 0 0 release 0 0 release complete 0 0...

  • Page 223

    Signaling protocol statistics 223 reset signaling counters resets the signaling counters for a specified port. Command actions command result example enter: 4 5 2 1.1.1 the following message is displayed: reset q93b statistics completed successfully. The signaling statistics are reset for port . Ent...

  • Page 224

    224 c hapter 8: v iewing s tatistics.

  • Page 225: Anaging

    9 m anaging lan e mulation this chapter describes how to configure lan emulation (lane) in the corebuilder ® 9000 atm enterprise switch. Lan emulation setups lan emulation services setup lan emulation redundancy setup lan emulation configuration service (lecs) operations lecs address lecs search pol...

  • Page 226: Lan E

    226 c hapter 9: m anaging lan e mulation lan e mulation s etups lan emulation services setup you can set up the lan emulation services, as follows: display lan emulation services status enable lan emulation services disable lan emulation services display lecs status enable lecs disable lecs caution:...

  • Page 227

    Lan emulation services setup 227 display lan emulation services status display the status of the lan emulation services in the corebuilder 9000 atm enterprise switch. The status is either enabled or disabled. Command actions command result example enter: 1 1 5 1 1 the following message is displayed:...

  • Page 228

    228 c hapter 9: m anaging lan e mulation enable lan emulation services enable the lan emulation services in the corebuilder 9000 atm enterprise switch. The enable takes place after the next reboot. Command actions command result example enter: 1 1 5 1 2 the following message is displayed: le srv sta...

  • Page 229

    Lan emulation services setup 229 disable lan emulation services disable the lan emulation services in the corebuilder 9000 atm enterprise switch. The disable takes place after the next reboot. Command actions command result example enter: 1 1 5 1 3 the following message is displayed: le service stat...

  • Page 230

    230 c hapter 9: m anaging lan e mulation display lecs status display the status of the lecs in the corebuilder 9000 atm enterprise switch. The status is either enabled or disabled. Command actions command result example enter: 1 1 5 2 1 the following message is displayed: lecs service status is enab...

  • Page 231

    Lan emulation services setup 231 enable lecs enable the lecs in the corebuilder 9000 atm enterprise switch after the next reboot. This command also enables the resident less. Command actions command result example enter: 1 1 5 2 2 the following message is displayed: lecs service status is set for th...

  • Page 232

    232 c hapter 9: m anaging lan e mulation disable lecs disable the lecs in the corebuilder 9000 atm enterprise switch. Command actions command result example enter: 1 1 5 2 3 the following message is displayed: lecs service status is set for the next reboot. Enter menu sequence: (1) sys: platform set...

  • Page 233

    Lan emulation redundancy setup 233 lan emulation redundancy setup you can set up the lan emulation redundancy services as follows: display lecs redundancy add lecs to lecs-order database delete lecs from lecs-order database display le service redundancy enable or disable le servers redundancy update...

  • Page 234

    234 c hapter 9: m anaging lan e mulation display lecs redundancy display the lecs-order database in the corebuilder 9000 atm enterprise switch. The lecs-order database has up to five entries. The first entry is the active lecs and the others are redundant backup lecs, which are activated according t...

  • Page 235

    Lan emulation redundancy setup 235 add lecs to lecs-order database add a lecs to the lecs-order database in the corebuilder 9000 atm enterprise switch as the last element. If you want to change the order of the lecs in the lecs-order database, delete the entries and reenter them. You can add a lecs ...

  • Page 236

    236 c hapter 9: m anaging lan e mulation delete lecs from lecs-order database delete a lecs from the lecs-order database in the corebuilder 9000 atm enterprise switch. Enter the index of the lecs address as it appears in the lecs-order database. To display the database, see “display lecs redundancy”...

  • Page 237

    Lan emulation redundancy setup 237 display le service redundancy display parameters of the les redundancy facility in the corebuilder 9000 atm enterprise switch. For more information, see “redundant lane services” on page 392. Command actions command result example enter: 1 1 5 4 1 the following inf...

  • Page 238

    238 c hapter 9: m anaging lan e mulation enable or disable le servers redundancy enable and disable the lecs-based lane redundancy facility in the corebuilder 9000 atm enterprise switch. For more information, see “redundant lane services” on page 392. Command actions command result example enter: 1 ...

  • Page 239

    Lan emulation redundancy setup 239 update startup delay update the startup delay parameter for lane redundancy facility in the corebuilder 9000 atm enterprise switch. The startup delay is the time elapsed between the switch startup and the startup of the lane redundancy facility. To display the curr...

  • Page 240: Lan E

    240 c hapter 9: m anaging lan e mulation lan e mulation c onfiguration s ervice (lecs) o perations lecs address you can configure the resident lecs address as follows: display resident lecs address update resident lecs address caution: before you reboot the switch, wait three minutes after each lecs...

  • Page 241

    Lecs address 241 update resident lecs address update the address of the resident lecs. Enter the user part of the address (last 7 hex bytes). The switch network prefix is used for the first 13 bytes. The update takes place immediately. Command actions command result example enter: 2 1 2 0.A0.3e.0.0....

  • Page 242

    242 c hapter 9: m anaging lan e mulation lecs search policy you can configure the lecs search policy. Display lecs search policy display the search policy of the resident lecs, according to which a les address is assigned to a lec that requests to join an elan. When a lec applies to the lecs to join...

  • Page 243

    Lecs search policy 243 example enter: 2 1 3 the search policy of the resident lecs is displayed: first lecs search policy is by atm address second lecs search policy is by mac address third lecs search policy is by elan name.

  • Page 244

    244 c hapter 9: m anaging lan e mulation lecs elan database operations you can configure the elan database as follows: display elans display elan parameters in lecs database update elan parameters in lecs database display elan mac addresses delete elan mac address add elan mac address display elan a...

  • Page 245

    Lecs elan database operations 245 display elans display all the elans that are defined in the lecs database along with their les addresses. The active less are indicated. Command actions command result example enter: 2 1 5 1 the following information is displayed. To scroll to the next displayable p...

  • Page 246

    246 c hapter 9: m anaging lan e mulation elan les parameters . Table 29 elan les parameters name description elan name name of elan. Les address atm address of elan les. Status active status of les: active or backup..

  • Page 247

    Lecs elan database operations 247 display elan parameters in lecs database display the elan type and maximum frame size for a specified elan. The information is taken from the lecs database. For information about parameters in the les database, see “display elan parameters in les database” on page 2...

  • Page 248

    248 c hapter 9: m anaging lan e mulation elan parameters in lecs database table 30 elan parameters in lecs database name description elan type the type of frames that the elan recognizes: 802.3 ethernet type 802.3 token ring type vlt max frame size lan type frame length (bytes) ethernet/fast etherne...

  • Page 249

    Lecs elan database operations 249 update elan parameters in lecs database update the parameters for the specified elan in the lecs database. (for more information, see table 30 for a description of the elan parameters that you can update.) caution: after you update the parameters of an elan in the l...

  • Page 250

    250 c hapter 9: m anaging lan e mulation display elan mac addresses display the mac address inserted by a specified elan. Command actions command result example enter: 2 1 5 4 1 elan_73_9 the following information is displayed: enter menu sequence: (2) lem: lan emulation (1) lcs: le configuration se...

  • Page 251

    Lecs elan database operations 251 delete elan mac address delete a mac address inserted from an elan. Command actions command result example enter: 2 1 5 4 2 elan_73_9 12.23.45.67.89.12 the following message is displayed: mac address was deleted for this elan. The specified mac address is deleted fr...

  • Page 252

    252 c hapter 9: m anaging lan e mulation add elan mac address add a mac address to an elan mac address database. This database is selected from the real database. Command actions command result example enter: 2 1 5 4 3 elan_73_9 12.23.45.67.89.12 the console responds with the confirmation: mac addre...

  • Page 253

    Lecs elan database operations 253 display elan atm addresses display atm addresses inserted for a specified elan. Command actions command result example enter: 2 1 5 5 1 admin the following information is displayed: enter menu sequence: (2) lem: lan emulation (1) lcs: le configuration services (5) l...

  • Page 254

    254 c hapter 9: m anaging lan e mulation delete elan atm address delete an atm address inserted by a specified elan. Command actions command result example enter: 2 1 5 5 2 elan_73_947.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 the following message is displayed: mac address was deleted for this elan. Th...

  • Page 255

    Lecs elan database operations 255 add elan atm address add an elan atm address for a specified elan atm address database. This database is disconnected from the real database. Command actions command result example enter: 2 1 5 5 3 elan_73_9 47.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 the system respon...

  • Page 256

    256 c hapter 9: m anaging lan e mulation add elan add an elan to the lecs database, that is, add a new les. Specify the elan name and les atm address. You can use any legal elan name. The names of the elans on a particular switch all have the form elan_ _ where is a number unique to the switch and i...

  • Page 257

    Lecs elan database operations 257 example enter: 2 1 5 6 elan_73_9 47.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 the console responds with the confirmation: new elan was added..

  • Page 258

    258 c hapter 9: m anaging lan e mulation delete elan delete an elan from the lecs database. Specify the elan name. Command actions command result example enter: 2 1 5 7 elan_73_9 a confirmation message is displayed: elan was deleted. The specified elan is deleted from the lecs database. Enter menu s...

  • Page 259

    Lecs elan database operations 259 configure segment id configure a local segment id for a token ring elan in the lecs database. Specify the elan name. Each token ring segment in a token ring network that uses source routing must be assigned a unique segment id by the network administrator. You assig...

  • Page 260

    260 c hapter 9: m anaging lan e mulation restore network topology load the network topology from the database. Command actions command result example enter: 2 1 5 the following message is displayed: flash action completed successfully. Enter menu sequence: (2) lem: lan emulation (1) lcs: le config s...

  • Page 261

    Lecs elan database operations 261 lecs database statistics show how many entries in lecs database are occupied by lecs that are in the process of configuration request. Command actions command result example enter: 2 1 6 the total number of clients from the lecs database is displayed: enter menu seq...

  • Page 262

    262 c hapter 9: m anaging lan e mulation reset lecs release configuration of direct vccs that were used in the configuration phase of a lec and are no longer needed. Command actions command result example enter: 2 1 7 the following prompt is displayed: are you sure? [y/n] y enter y to confirm or n t...

  • Page 263

    Lan emulation redundancy 263 lan emulation redundancy you can configure the lan emulation redundancy facility as follows: assign redundant les to elan deassign redundant les from elan make primary les active display redundant elans general information display redundant elans specific information dis...

  • Page 264

    264 c hapter 9: m anaging lan e mulation assign redundant les to elan assign a les to be the redundant (secondary) les of a specified elan in the lecs database. Specify the elan name and the atm address of the les. The secondary les should reside on a different switch than the primary les. For more ...

  • Page 265

    Lan emulation redundancy 265 deassign redundant les from elan deassign a redundant (secondary) les from a specified elan in the lecs database. Specify the elan name associated with the les. Command actions command result example enter: 2 1 5 9 2 elan73_9 the following message is displayed: redundant...

  • Page 266

    266 c hapter 9: m anaging lan e mulation make primary les active reestablish the primary les of the elan as the active les. When the secondary les of an elan is active instead of the primary les, this command causes lecs to be released from the secondary les to join the primary les. Specify the elan...

  • Page 267

    Lan emulation redundancy 267 example enter: 2 1 5 9 3 elan_73_9 the following message is displayed: force to primary message sent to lecs the active les of the specified elan is forced to become the primary les ..

  • Page 268

    268 c hapter 9: m anaging lan e mulation display redundant elans general information display general information about redundant elans. Command actions command result example enter: 2 1 5 9 4 the following information is displayed: enter menu sequence: (2) lem: lan emulation (1) lcs: le configuratio...

  • Page 269

    Lan emulation redundancy 269 redundant elans general parameters table 31 describes the elans general parameters. Table 31 redundant elans general parameters parameter description id the elan id number. Name the elan name. State the state of the elan. This can be primary, secondary, in check (when th...

  • Page 270

    270 c hapter 9: m anaging lan e mulation display redundant elans specific information display specific information about redundant elans. Command actions command result example enter: 2 1 5 9 5 0 the following information is displayed: enter menu sequence: (2) lem: lan emulation (1) lcs: le configur...

  • Page 271

    Lan emulation redundancy 271 redundant elans specific parameters table 32 describes the elans specific parameters. Table 32 redundant elans specific parameters parameter description elan name the elan name. Elan status the status of the elan. This can be: operational the elan is operating normally. ...

  • Page 272

    272 c hapter 9: m anaging lan e mulation display redundant les general information display general information on redundant les. Command actions command result example enter: 2 1 5 9 6 the following information is displayed. Redundant les general parameters table 33 describes the redundant les gener...

  • Page 273

    Lan emulation redundancy 273 display redundant les specific information display specific information on redundant les. Command actions command result example enter: 2 1 5 9 7 0 the following information is displayed: enter menu sequence: (2) lem: lan emulation (1) lcs: le configuration services (5) ...

  • Page 274

    274 c hapter 9: m anaging lan e mulation redundant les general parameters table 34 describes the redundant les general parameters. Table 34 redundant les general parameters parameter description les atm address the les atm address. The les connection state. This can be: connection state establish th...

  • Page 275: Lan E

    Les address 275 lan e mulation s ervice (les) o perations les address you can configure the les address, as follows: display les-bus addresses update elan les-bus address display les-bus addresses display les atm addresses for all 16 less that are defined in the corebuilder 9000 atm enterprise switc...

  • Page 276

    276 c hapter 9: m anaging lan e mulation example enter: 2 2 1 the following information is displayed: elan les-bus atm address: les-bus atm address: id network prefix user part ----- --------------------------------------- --------------------- 1 47. 0. 0. 0. 0. 0.3c. 0. 0.A0. 0. 0. 0 0.C0.Da.60. 0....

  • Page 277

    Les address 277 update elan les-bus address update the les address of the specified elan. Enter the les address user part, which consists of 6 bytes separated by dots. The last byte is a selector byte (0-f) that signifies the sequential identifier of the les in the corebuilder 9000 atm enterprise sw...

  • Page 278

    278 c hapter 9: m anaging lan e mulation elan parameters you can configure the elan parameters, as follows: display elan parameters in les database update elan parameters in les database display elan parameters in les database display general information about the 16 elans in the corebuilder 9000 at...

  • Page 279

    Elan parameters 279 example enter: 2 2 2 the following information is displayed: elan elan elan max control mcast id name type frame distrib forward size mem_id/ mem_id/ call_id call_id ---- -------------- ------ ------ ------- ------- 1 elan_69_0 802.3 1516 1701/ 11 1701/ 13 2 elan_69_1 802.3 1516 ...

  • Page 280

    280 c hapter 9: m anaging lan e mulation . Elan parameters for resident less elan #4 is of token ring type. Table 35 elan parameters for resident less name description elan id elan id number. Elan names elan name. Elan type the type of frames that the elan recognizes: 802.3 ethernet type 802.5 token...

  • Page 281

    Elan parameters 281 update elan parameters in les database update the parameters for the specified elan in the les database. Table 36 describes the elan parameters you can update. Caution: after you use this command to update the parameters of an elan in the les database, you must use the lma to upd...

  • Page 282

    282 c hapter 9: m anaging lan e mulation example enter: 2 2 4 14 1 1 the following message appears: elan is reset. The parameters of the elan with id 14 are updated. Elan parameters for a les table 36 describes the elan parameters that can be updated. . Table 36 elan parameters for a les name descri...

  • Page 283

    Le_arp policy configuration 283 le_arp policy configuration you can configure the le_arp policy as follows: display elan response policy update elan response policy display le_arp response policy update le_arp response policy display le_arp response policy for route descriptor update le_arp response...

  • Page 284

    284 c hapter 9: m anaging lan e mulation example enter: 2 2 3 1 2 2 the response policy of the elan with elan id #2 is displayed as follows: response policy is direct vcc. Elan response policies . Table 37 elan response policies name description direct vcc the les sends the response to the requestin...

  • Page 285

    Le_arp policy configuration 285 update elan response policy update the response policy for an elan: direct vcc or distributed connection. The new response policy takes effect immediately. This is a global setting for all the clients in that elan. The factory default value is direct connection. See t...

  • Page 286

    286 c hapter 9: m anaging lan e mulation display le_arp response policy display the policy for handling lan emulation address resolution protocol (le_arp) requests for a specified elan. See table 38 for the possible le_arp policies. Command actions command result enter menu sequence: (2) lem: lan em...

  • Page 287

    Le_arp policy configuration 287 example enter: 2 2 3 1 4 2 the le_arp policy of the elan with elan id 2 is displayed as follows: response policy is forward request le_arp verification policies . Update le_arp response policy update the policy for handling le_arp requests for an elan: respond or forw...

  • Page 288

    288 c hapter 9: m anaging lan e mulation command actions command result example enter: 2 2 3 1 5 2 1 the following messages are displayed: le arp policy was set. Le arp policy was successfully saved on flash. The le_arp policy of the elan with elan id 2 is updated to respond. Enter menu sequence: (2...

  • Page 289

    Le_arp policy configuration 289 display le_arp response policy for route descriptor display the additional policy for handling le_arp requests for a specified elan when the lan destination is a route descriptor (token ring elan). This policy is used in conjunction with the le_arp response policy. (f...

  • Page 290

    290 c hapter 9: m anaging lan e mulation command actions command result example enter: 2 2 3 1 6 2 the le_arp policy of the elan with elan id 2 is displayed as follows: response policy is forward non reg le_arp policies for route descriptor enter menu sequence: (2) lem: lan emulation (2) les: le ser...

  • Page 291

    Le_arp policy configuration 291 update le_arp response policy for route descriptor update the additional policy for handling le_arp requests for a token ring elan: reject request or forward request. The new response policy goes into effect immediately. This is a global setting for all the clients in...

  • Page 292

    292 c hapter 9: m anaging lan e mulation reset les configurations reset all les configurations in the corebuilder 9000 atm enterprise switch to factory-default values including les-bus address, elan response policy, and le_arp response policies. Command actions command result example enter: 2 2 3 1 ...

  • Page 293

    Le_arp policy configuration 293 display lane multicast forward delay display the lane multicast forward delay. For certain switches and bridges that connect to the corebuilder 9000 atm enterprise switch, you must configure a delay between a multicast send and a multicast forward. Command actions com...

  • Page 294

    294 c hapter 9: m anaging lan e mulation update lane multicast forward delay update the lane multicast forward delay parameter. Command actions command result example enter: 2 2 3 1 10 2 the following message appears: mcst delay was set the lane multicast forward delay time is updated. Enter menu se...

  • Page 295

    Lec operations 295 lec operations you can configure the lec operations as follows: display lec connection info display lec address info display lec connection info display lan emulation clients (lec) connection information for a specified elan and specified lec. A lec is specified by its id. To dete...

  • Page 296

    296 c hapter 9: m anaging lan e mulation example enter: 2 2 3 2 1 0 the lec information for all lecs of the specified elan is displayed as follows: lec connection information . Lec state ctrl mcast atm addresses: is id direct send user part proxy mem_id/ mem_id/ call_id call_id --- ----------- -----...

  • Page 297

    Lec operations 297 display lec address info display all mac addresses, atm addresses, and route descriptors of a specified lec that are registered in the les arp-cache of a specified elan. A lec is specified by its id. If you do not know a lec’s id, specify a value of 0 to display information for al...

  • Page 298

    298 c hapter 9: m anaging lan e mulation example enter: 2 2 3 2 1 0 the mac and atm addresses for all lecs of the elan with elan id 1 are displayed as follows: lecid: 2 primary atm addr: 47.0.0.0.0.0.0.0.0.0.0.0.0 0.C0.Da.18.1.C.0 mac address atm address -------------- ------------------------------...

  • Page 299

    Lan emulation statistics 299 lan emulation statistics you can view the lan emulation statistics, as follows: display lan emulation statistics display lec statistics reset lan emulation statistics reset elan display lan emulation statistics displays statistics for the les and bus in a specified elan....

  • Page 300

    300 c hapter 9: m anaging lan e mulation example enter: 2 2 3 4 1 2 les and bus statistics for the elan with elan id 2 are displayed as follows: les global counters ------------------- total number of active clients: 2 total number of active mac addresses for all clients: 2 total number of active at...

  • Page 301

    Lan emulation statistics 301 display lec statistics display statistics for a lec in a specified elan. Command actions command result example enter: 2 2 3 4 2 2 0 lec statistics for all lecs of the elan with elan id 2 are displayed as follows: enter menu sequence: (2) lem: lan emulation (2) les: le s...

  • Page 302

    302 c hapter 9: m anaging lan e mulation lec statistics table 41 lec statistics name description lec id lec id number. Num reg mac addr number of mac addresses registered by that lec. Num reg atm addr number of atm addresses registered by that client. Num msg sent by client number of messages sent b...

  • Page 303

    Lan emulation statistics 303 reset lan emulation statistics reset general lan emulation statistics for a specified elan to zero. Command actions command result example enter: 2 2 3 4 3 2 les and bus statistics for the elan with elan id 2 are reset. Enter menu sequence: (2) lem: lan emulation (2) les...

  • Page 304

    304 c hapter 9: m anaging lan e mulation reset elan disconnect the control distribute channel to all lecs that are attached to the specified elan. This feature enables the user to reset the lane services without rebooting the corebuilder 9000 for the following purposes: shutdown of the redundant lan...

  • Page 305: Apabilities

    Ii c apabilities chapter 10 atm network basics chapter 11 network interface management chapter 12 e-iisp protocol chapter 13 establishing atm channels chapter 14 atm switching chapter 15 managing lan emulation chapter 16 traffic management chapter 17 device management chapter 18 switch redundancy ch...

  • Page 307: Atm N

    10 atm n etwork b asics this chapter provides basic concepts and information about: atm overview atm cell structure atm layers functional planes designing atm networks atm network examples lan emulation atm networks atm overview in 1986, the comité consulatif international télégraphique et téléphoni...

  • Page 308

    308 c hapter 10: atm n etwork b asics using this connection-oriented networking technology, centered by a switch, you can set up a great number of virtual connections to support multiple applications through the same physical connection. The switching technology enables dedicated bandwidth for each ...

  • Page 309

    Advantages of using fixed-length cells 309 advantages of using fixed-length cells fixed-length cells offer the following advantages: network and switching queueing delays are more predictable than for variable-length packets. Cell switching is less complex and more reliable. Atm hardware can be impl...

  • Page 310

    310 c hapter 10: atm n etwork b asics atm layers as in the osi (open systems interconnection) model, atm has levels that divide the functions of atm. Figure 5 shows the osi and atm models, side by side. Note that the atm layers do not exactly match the osi layers. Figure 5 osi and atm layers physica...

  • Page 311

    Atm layers 311 atm adaptation layer (aal) the atm adaptation layer is the standards layer that allows multiple applications to have data converted to and from the atm cell. There are five aal types. The aal performs segmentation and reassembly (sar) on cells. It formats data into the 48-byte atm cel...

  • Page 312

    312 c hapter 10: atm n etwork b asics functional planes in addition to the atm layers described previously, functional planes describe the integration between user and management devices. Figure 6 shows the relationship between the atm layers and the functional planes. Figure 6 uni functional/protoc...

  • Page 313

    Designing atm networks 313 management plane initializes and maintains a management information base (mib) that resides in each participating atm device. The mib is a management database that includes status, control, and configuration information and can be accessed by the user and control planes an...

  • Page 314

    314 c hapter 10: atm n etwork b asics atm network examples in this section, several examples of atm networks and details of how they are built are presented. Classical ip atm networks you can use the corebuilder 9000 atm enterprise switch in classical ip configurations to connect a workgroup. You ca...

  • Page 315

    Atm network examples 315 figure 7 shows the corebuilder 9000 atm enterprise switch deployed with two servers and numerous workstations. Figure 7 the corebuilder 9000 atm enterprise switch in a simple workgroup each server and workstation has an atm adapter, allowing full rate use of ip over atm and ...

  • Page 316

    316 c hapter 10: atm n etwork b asics figure 8 multiple switch ip routed network lan emulation atm networks a lan emulation network provides the ability to run network applications over atm and maintain the legacy lans’ well-established environment. The following network devices support lan emulatio...

  • Page 317

    Lan emulation atm networks 317 an atm adapter (for example, a atmlink™ s-bus 155) supports a lan emulation client for servers or end stations. To support more than one elan, a client can have multiple adapters or multiple lecs. Router with atm downlink — the atm connection supports multiple lan emul...

  • Page 318

    318 c hapter 10: atm n etwork b asics building a high-performance oc-12 campus network figure 9 illustrates how the entire network is expanded to a high-performance network (2). Typical campus networks were built using oc-3 as backbone links between buildings and oc-3 between campuses in the man. Th...

  • Page 319

    Lan emulation atm networks 319 figure 9 the corebuilder 9000 atm enterprise switch in a headquarters network . Dual oc-12c dual oc-12c corebuilder corebuilder ® ® 9000 atm 9000 atm oc-12c oc-12c corebuilder corebuilder ® ® 7000hd 7000hd atm (oc-3c or oc-12c) atm (oc-3c or oc-12c) atm, 10/100 or atm,...

  • Page 320

    320 c hapter 10: atm n etwork b asics.

  • Page 321: Etwork

    11 n etwork i nterface m anagement this chapter provides basic concepts and information about: network interfaces interim local management interface (ilmi) basic ilmi functions network -to- network interface (nni) gateway interface (gwy).

  • Page 322

    322 c hapter 11: n etwork i nterface m anagement network interfaces to enable individual atm devices to function together in an atm network, standard software interfaces are provided between each device and the devices to which it is connected. Three types of interfaces are used: user-network interf...

  • Page 323

    Interim local management interface (ilmi) 323 interim local management interface (ilmi) the interim local management interface (ilmi) is the local management interface used in the corebuilder 9000 atm enterprise switch. It supports the bi-directional exchange of management information between atm us...

  • Page 324

    324 c hapter 11: n etwork i nterface m anagement uni management entity (ume) for each atm device that participates in a uni, a uni management entity (ume) supports the ilmi functions for that uni. When two atm devices are connected across a (point-to-point) uni, two umes are associated with that uni...

  • Page 325

    Basic ilmi functions 325 uni address registration the ilmi address registration provides the following services: initialization-time exchange of addressing information restrictions on network-prefix/user-part combinations acceptance of unassigned network prefixes rejection of unacceptable values, ei...

  • Page 326

    326 c hapter 11: n etwork i nterface m anagement organizational scope for group address the corebuilder 9000 switch ilmi supports the organizational scope for a registered atm group address. The organizational scope restricts the distribution of information that is related to the group address withi...

  • Page 327

    Basic ilmi functions 327 atm address format an atm end station address uniquely identifies an atm endpoint. The format of an atm address is modeled after the osi network service access point (nsap), using the same structure, abstract semantics, syntax, and preferred binary encoding. Three different ...

  • Page 328

    328 c hapter 11: n etwork i nterface m anagement referencing calls by destination atm address - member id for easy reference, each atm address registered at a port is assigned a member id. The member id, which is specific to the corebuilder 9000 atm enterprise switch, consists of the port number fol...

  • Page 329

    Network -to- network interface (nni) 329 ilmi connectivity polling the corebuilder 9000 atm enterprise switch polling facility continuously verifies the connectivity of the ilmi channel of a port. It determines that the adjacent ime has failed when it does not receive a response for 120 consecutive ...

  • Page 330

    330 c hapter 11: n etwork i nterface m anagement private nni a nni is a private nni (p-nni) when the switches are not part of a wan. P-nni allows you to interconnect multiple switches in an arbitrary topology and still have them work as one network. See figure 10. Figure 10 multiple switches in a pr...

  • Page 331

    Gateway interface (gwy) 331 gateway interface (gwy) the gateway interface is provided for connecting the corebuilder 9000 enterprise atm switch to atm switches of other vendors. For this purpose a simple, universal protocol, the iisp, is utilized. Interim interswitch protocol (iisp) iisp (pnni phase...

  • Page 332

    332 c hapter 11: n etwork i nterface m anagement.

  • Page 333: E-Iisp P

    12 e-iisp p rotocol this chapter provides basic concepts and information about: introducing enhanced interim interswitch protocol (e-iisp) iisp vs. E-iisp hierarchy in an e-iisp network planning a network with e-iisp e-iisp hierarchic routing algorithm introducing enhanced interim interswitch protoc...

  • Page 334

    334 c hapter 12: e-iisp p rotocol iisp vs. E-iisp the iisp routing protocol is a simple, universal protocol used to connect the corebuilder 9000 atm enterprise switch to atm switches of other vendors. Iisp (pnni phase 0) is the first phase standard for multiple switch networks. This protocol defines...

  • Page 335

    Hierarchy in an e-iisp network 335 features of e-iisp e-iisp includes the following features: minimal manual configuration of the switch registers addresses of neighboring switches either automatically or manually nodes learn addresses automatically in case of link or node failure hierarchic routing...

  • Page 336

    336 c hapter 12: e-iisp p rotocol figure 11 connecting switches in a hierarchic topology this type of topology is well-suited for installation in a group of buildings. Each of the trees a, b, c is installed in a separate building where the root node is located in the basement and the branches distri...

  • Page 337

    Hierarchy in an e-iisp network 337 the atm address has 20 bytes, which are divided into a 13-byte network prefix and a 7-byte user part. These are further divided into fields shown in table 42. The afi and afi-specific fields should be the same. The default value is 47.00.00.00.00.00.3c.00.00, but t...

  • Page 338

    338 c hapter 12: e-iisp p rotocol each of the fields rd and area is two bytes long and a byte is represented by two hexadecimal digits 0-f so that fields rd and area together are represented by eight hexadecimal digits. These eight digits represent the location of a device in the network tree hierar...

  • Page 339

    Hierarchy in an e-iisp network 339 auto-discovery after each switch in the hierarchic network has received and registered its own hierarchic atm address network prefix, the switch discovers who its neighbors are and updates its routing table to include its neighbors information. This process is call...

  • Page 340

    340 c hapter 12: e-iisp p rotocol planning a network with e-iisp this section discusses how you create a hierarchical topology to plan a network using the e-iisp protocol. Hierarchical topology as discussed previously, the routing algorithm of e-iisp assumes that you have constructed your network wi...

  • Page 341

    Planning a network with e-iisp 341 figure 14 hierarchical switch addressing in tree topology after you have set up the addressing scheme in this manner, the routing algorithm ensures that any switch in this network can find every tree in it (and therefore the location of every other switch) by first...

  • Page 342

    342 c hapter 12: e-iisp p rotocol e-iisp hierarchic routing algorithm the corebuilder 9000 atm enterprise switch e-iisp protocol features a proprietary hierarchic routing algorithm by which calls are routed efficiently through a network with a hierarchic topology. The routing algorithm determines th...

  • Page 343

    E-iisp hierarchic routing algorithm 343 3 if no match is found among its uni neighbors, the corebuilder 9000 atm enterprise switch compares the network prefix of the atm destination address with the network prefix of the atm address of each of its nni neighbors. An exact match, longest best match, l...

  • Page 344

    344 c hapter 12: e-iisp p rotocol 4 after an nni neighbor is identified according to the procedure in step 3, an internal link is established to the output port to which that neighbor is attached, and the vpi/vci identifier and the neighbor’s address are recorded. This completes the virtual channel ...

  • Page 345

    E-iisp hierarchic routing algorithm 345 automatic retry after receiving the release message, the source corebuilder 9000 atm enterprise switch again attempts to establish a virtual channel, but this time via an alternate path. The switch determines the alternate path automatically with the routing t...

  • Page 346

    346 c hapter 12: e-iisp p rotocol alternate routes are desirable for the following reasons: dividing the load between nodes over several links reduces congestion (see next section) if one link fails, an alternate link can be used. If the node cannot be found or accessed via a link, it can be searche...

  • Page 347

    E-iisp hierarchic routing algorithm 347 table 43 shows a typical routing table. Load balancing as mentioned in the previous section, one reason for providing alternate routes is to divide or balance the load between the alternate links. Load balancing ensures that calls are distributed equally among...

  • Page 348

    348 c hapter 12: e-iisp p rotocol.

  • Page 349: Stablishing

    13 e stablishing atm c hannels asynchronous transfer mode (atm) is a connection-oriented transport service, much like a telephone. Unlike ethernet, where data is sent out on a common bus, atm requires that a path or virtual channel be established to carry the call from the source station to the dest...

  • Page 350

    350 c hapter 13: e stablishing atm c hannels virtual channels a virtual channel is a communications path that can carry a single call from the source station to the destination station. A channel is virtual because it does not necessarily correspond to a single physical line and, in fact, usually pa...

  • Page 351

    Virtual channels 351 the figure shows three atm devices: two atm edge devices and an atm enterprise switch between them. The virtual channel begins at the left edge device, passes through the atm enterprise switch and terminates at the right edge device. Two external links of the virtual channel, sh...

  • Page 352

    352 c hapter 13: e stablishing atm c hannels virtual path — channel hierarchy the values of vpi and vci can be allocated independently of each other. These two degrees of freedom allow you to construct a channel hierarchy. If several virtual channels with different vci values are given the same vpi ...

  • Page 353

    Virtual channels 353 permanent virtual channels you establish a permanent virtual channel (pvc) manually by management. An established pvc connection is not automatically released and is not dynamically checked and reinitiated. The characteristics of the pvc connection include: connections initiated...

  • Page 354

    354 c hapter 13: e stablishing atm c hannels signaling — external links this section describes establishing a switched virtual channel by signaling. As discussed previously, a virtual channel is made up of two types of links: external links (connections) between ports of adjacent atm devices interna...

  • Page 355

    Signaling — external links 355 this section discusses the signaling process; the next section discusses the routing process. Signaling protocol atm uses the uni signaling standard protocol for dynamically establishing, maintaining, and clearing svc connections between endpoints. The major features o...

  • Page 356

    356 c hapter 13: e stablishing atm c hannels signaling messages the signaling protocol that established the connection consists of a command set with a set of watchdog timers. The watchdog timers allow the system to declare an error and continue operating when an response to a command is not receive...

  • Page 357

    Signaling — external links 357 setup message the setup signaling message initiates the procedure for setting up the connection. It carries with it the requirements for the call. These essential requirements (which are discussed later in this section) must be accepted by network and the receiving dev...

  • Page 358

    358 c hapter 13: e stablishing atm c hannels signaling protocol profile in the corebuilder 9000 atm enterprise switch, the signaling protocol profile of a port defines the role that the port plays in the signaling dialog with its attached atm device. The profile can be either network or user. When t...

  • Page 359

    Signaling — external links 359 a point-to-multipoint call has the following properties: the source end point serves as the root in a simple tree topology. When this link node sends information, all of the remaining nodes on the call receive copies of the information. Data flows only from the root to...

  • Page 360

    360 c hapter 13: e stablishing atm c hannels figure 18 signaling message sequence for a point-to-point connection point-to-multipoint connection figure 19 shows the sequence of signaling messages for setting up a point-to-multipoint external link (connection) between a root station and a set of dest...

  • Page 361

    Signaling — external links 361 the release procedures are similar to the establishment procedures. Figure 19 signaling message sequence for a point-to-multipoint connection signaling timers each signaling protocol comes with a set of timers, one for each type of message in the protocol. These timers...

  • Page 362

    362 c hapter 13: e stablishing atm c hannels table 46 and table 47 display the various watchdog timers that are associated with the signaling messages. The start and stop timer conditions are shown. Table 46 q.2931 watchdog timers — user end timer name default time-out start timer stop timer t303 20...

  • Page 363

    Signaling — external links 363 timer resolution all the timers in the q.2931 and q.Saal protocol are based on a common timer tick-length called the timer resolution. When the timer resolution is changed, all timers are affected. The corebuilder 9000 atm enterprise switch is shipped with a default ti...

  • Page 364

    364 c hapter 13: e stablishing atm c hannels signaling aal the signaling described previously takes place in signaling channels kept separate from the channels used for data transmission. The saal (signaling aal) is the adaptation layer used in these signaling channels. The saal provides a reliable ...

  • Page 365

    Signaling aal 365 sscop timers table 49 and table 50 present the sscop watchdog timers. For stability, set the timer no-response > timer keep-alive and timer no-response > timer poll should be set. Also set timer no-response and timer cc to a value greater than the round trip delay. Table 49 sscop t...

  • Page 366

    366 c hapter 13: e stablishing atm c hannels sscop configuration parameters table 51 shows the sscop configuration parameter values. . Detection of failure in peer qsaal the time required to detect a failure in a peer qsaal, that is, the qsaal in a neighboring atm enterprise switch is a function of ...

  • Page 367

    Signaling aal 367 the call control also keeps a database of all the existing calls and connections per atm address and interface port. This database may be viewed through management tools. Based on this database, the corebuilder 9000 atm enterprise switch can handle error conditions, notify the user...

  • Page 368

    368 c hapter 13: e stablishing atm c hannels routing — internal links as discussed previously, a virtual channel is made up of two types of links: external links (connections) between ports of adjacent atm devices internal links between input and output ports of an atm device stored in the atm switc...

  • Page 369

    Routing — internal links 369 2 the corebuilder 9000 atm enterprise switch compares the atm destination address with the full atm address of each of its uni neighbors. If a match is found, the setup message is sent on to the appropriate uni port, finishing the process successfully with a route establ...

  • Page 370

    370 c hapter 13: e stablishing atm c hannels hop limit — avoiding loops one step of forwarding the setup message between nni neighbors is called a hop. If the number of hops exceeds a preset limit, an looping condition is declared and a release message is returned to the sender, terminating the proc...

  • Page 371: Atm S

    14 atm s witching the previous two chapters presented the concept of virtual channels: what a virtual channel is and how it is built. This chapter discusses how atm data travels, or is switched, over a virtual channel. This chapter provides basic concepts and information about: atm switching traffic...

  • Page 372

    372 c hapter 14: atm s witching figure 20 shows how a call is transferred over a virtual channel. Figure 20 atm switching it is assumed that the virtual channel has been established, by the methods described in the previous chapter. This means that the vpi/vci values for all external links are store...

  • Page 373

    Traffic statistics 373 the call is transferred by the following steps: 1 the edge device translates the ethernet frames into atm cells and forwards them to the atm output port. 2 the atm output port writes the vpi/vci values for the external link for the vc on the cell header and transmits the cells...

  • Page 374

    374 c hapter 14: atm s witching.

  • Page 375: Lan E

    15 lan e mulation this chapter provides a general overview of lan emulation including the following topics: lan emulation overview emulated lan components emulated lan connections operation of the lan emulation lan emulation in the corebuilder 9000 atm enterprise switch lan emulation redundancy lan ...

  • Page 376

    376 c hapter 15: lan e mulation emulated lan components lan emulation is implemented as a set of connection services collectively called an emulated lan (elan). Each elan is composed of a set of lan emulation clients (lec) and a single lan emulation service. The latter consists of an le configuratio...

  • Page 377

    Emulated lan components 377 broadcast and unknown server (bus) the bus is the le connection service that handles atm traffic other than direct transmissions between lecs. It handles the following: data sent by a lec to the broadcast mac address all multicast traffic initial unicast frames that are s...

  • Page 378

    378 c hapter 15: lan e mulation emulated lan connections lecs and less communicate with each other by means of atm virtual channel connections (vccs). Control signals and data transmissions are handled by separate vccs: control vccs and data vccs. Figure 21 basic lan emulation client connections con...

  • Page 379

    Emulated lan connections 379 data vccs data vccs carry data frames between lecs and between a lec and the bus. Unicast data is normally sent from one lec to another lec by data-direct vccs. Data direct vccs are set up dynamically in a svc environment by a transmitting lec after ascertaining the atm ...

  • Page 380

    380 c hapter 15: lan e mulation figure 22 illustrates the vccs active among lan emulation components. Figure 22 vccs in lan emulation components frame ordering there are two paths for unicast frames between a sending lan emulation client and a receiving client: one via the bus and one via a data dir...

  • Page 381

    Operation of the lan emulation 381 operation of the lan emulation the following functions are performed by the lan emulation. The lan emulation clients (lec) and the lan emulation servers interact by way of a well-defined interface (luni). Connecting a lec to an elan address registration address res...

  • Page 382

    382 c hapter 15: lan e mulation the processes connecting the lec to the elan are shown in figure 23. Figure 23 connection processes of the lec-to-le service address registration the address registration function is the mechanism by which lecs provide address information to the lan emulation server. ...

  • Page 383

    Operation of the lan emulation 383 address resolution address resolution is the procedure by which a lec associates a lan destination with the atm address of another lec or the bus. Address resolution allows clients to set up data direct vccs to carry frames. (see figure 24.) figure 24 address resol...

  • Page 384

    384 c hapter 15: lan e mulation lan emulation in the corebuilder 9000 atm enterprise switch the corebuilder 9000 atm enterprise switch supports the lan emulation services les, bus, and lecs. It utilizes interim local management interface (ilmi) for initial address registration of the devices in the ...

  • Page 385

    Lan emulation in the corebuilder 9000 atm enterprise switch 385 when the les of an elan and the lecs are in separate corebuilder units, proceed as follows: 1 use the update elan parameters via lecs command in the corebuilder unit that contains the lecs to update the elan parameters in the lecs datab...

  • Page 386

    386 c hapter 15: lan e mulation the ilmi channel can be continuously verified (polled) so that the network administrator knows if the channel has failed. (for more information, see “display ilmi channel polling status” on page 128.) in that event, the network administrator needs to disable the “lecs...

  • Page 387

    Lan emulation in the corebuilder 9000 atm enterprise switch 387 connecting lec to les and bus les and bus connections were presented in “emulated lan connections” on page 378. After the initial registration of the lan emulation client (lec) with the corebuilder 9000 atm enterprise switch, the lec se...

  • Page 388

    388 c hapter 15: lan e mulation address resolution when a lec needs to forward a unicast data frame whose lan destination is not found in its local forwarding data base, it attempts to locate a lec that represents the lan destination on the atm network. To do this, it turns to the les in a process c...

  • Page 389

    Lan emulation in the corebuilder 9000 atm enterprise switch 389 le_arp response policy the le_arp response policy determines whether or not the les searches for the lan destination in the le_arp request in its own database. There are two policies as shown in table 55. . Elan response policy the elan...

  • Page 390

    390 c hapter 15: lan e mulation that is, the operator can select between the two options as shown in table 57. . Unknown multicast and broadcast frames the lec sends unknown, multicast and broadcast frames to the bus for distribution to other clients. The le standard limits the amount of unknown uni...

  • Page 391

    Lan emulation redundancy 391 lan emulation redundancy this section describes the concepts and planning of redundant lan emulation services and is relevant to networks that have more than one corebuilder 9000 atm enterprise switch installed. The following topics are included: lane services in the cor...

  • Page 392

    392 c hapter 15: lan e mulation lane services in the corebuilder 9000 atm switch fabric module as discussed in previous sections, the lan emulation services provided by a corebuilder 9000 atm enterprise switch fabric module are: lan emulation configuration server (lecs) — each corebuilder 9000 atm e...

  • Page 393

    Lan emulation redundancy 393 lecs redundancy facility — configuring the lecs-order database you provide for lecs redundancy by enabling the lecs in up to five corebuilder 9000 atm enterprise switches in the network. A lecs-order database with up to five entries is provided in each switch to support ...

  • Page 394

    394 c hapter 15: lan e mulation les redundancy facility — configuring the elan topology database when a network has more than one corebuilder 9000 atm enterprise switch, you can create redundant less for an elan. When you designate a primary les in a switch to be the active les for an elan, you can ...

  • Page 395

    Lan emulation redundancy 395 assigning the active les for an elan — monitoring les status on-line before it assigns the primary or secondary les of an elan to be active, the lecs determines if they are operational. For this purpose, each lecs continuously monitors the operating status of all less in...

  • Page 396

    396 c hapter 15: lan e mulation the lecs has determined that the primary les, les 1, is operational by connecting to it and has assigned it to be the active les in the elan. The connection has reported 20 lecs attached. Failure recovery — transferring control to the redundant les a failure of an act...

  • Page 397

    Lan emulation redundancy 397 the newly activated secondary les remains active even after the failed primary les becomes operational again. You can cause the primary les to become the active les again by using an lma command. (see “make primary les active” on page 266.) you need to perform this comma...

  • Page 398

    398 c hapter 15: lan e mulation recovery from split elan a split elan is one in which the secondary les becomes active along with the first active les; the two less act to divide the lecs of the elan into two groups, preventing communication between them. Such a split elan can occur, for example, wh...

  • Page 399

    Lan emulation redundancy 399 lane redundancy start-up delay the lane redundancy mechanism does not begin operating at system power-on but rather has a user-adjustable start-up delay. There are two reasons for this delay: to allow time for the routing table in the switch to become established to allo...

  • Page 400

    400 c hapter 15: lan e mulation lane redundancy planning consider the following issues when you plan your network to support lane redundancy: allow for route recovery in case of switch or link failure to provide atm address structure and physical network connectivity. Do not allow primary and second...

  • Page 401: Raffic

    16 t raffic m anagement this chapter describes traffic management in the corebuilder ® 9000 atm enterprise switch. The following topics are discussed: traffic management basics traffic management in the corebuilder 9000 atm enterprise switch traffic management basics atm technology supports a wide v...

  • Page 402

    402 c hapter 16: t raffic m anagement traffic management in the corebuilder 9000 atm enterprise switch one of the most powerful features of the corebuilder 9000 atm enterprise switch is its ability to handle traffic congestion and protect high priority data. Traffic management methods the corebuilde...

  • Page 403

    Traffic management in the corebuilder 9000 atm enterprise switch 403 setting up traffic management hardware the atm layer processor (alp) of the atm interface module and the atm switch fabric module are responsible for traffic management. Atm layer processor the atm layer processor handles the tempo...

  • Page 404

    404 c hapter 16: t raffic m anagement figure 26 setting up traffic management control flow efci a network element in an pre-congested state sets the explicit forward congestion indication (efci) congestion notification mechanism in a cell header. It is part of the standard abr class of service. In f...

  • Page 405

    Traffic management in the corebuilder 9000 atm enterprise switch 405 figure 27 traffic management mechanisms in the atm interface module, the efci mechanism is selective, meaning that it can be applied per connection. This is specified when the connection is established. It is also possible to speci...

  • Page 406

    406 c hapter 16: t raffic m anagement priority output queues one primary way in which the corebuilder 9000 atm enterprise switch controls output data loss is by prioritizing the output data. A data frame for which certain losses or delays in transmission can be tolerated according to its qos is desi...

  • Page 407

    Traffic management in the corebuilder 9000 atm enterprise switch 407 the back pressure cell storage method works as follows: in figure 27, a precongested state is created on the output channel when not all the cells can be transmitted through the framer out to the line, and they begin backing up. Th...

  • Page 408

    408 c hapter 16: t raffic m anagement partial packet drop partial packet drop (ppd) in the corebuilder 9000 atm enterprise switch reduces traffic congestion by dropping incoming data frames. Ppd is employed when the input queues are overflowing, cells are being lost, and the frame is corrupted. This...

  • Page 409

    Traffic management in the corebuilder 9000 atm enterprise switch 409 table 60 shows a typical threshold regime for input and output queues. The first row of the table shows the lowest threshold, that is, the first threshold o be activated. Table 60 thresholds for traffic management methods input que...

  • Page 410

    410 c hapter 16: t raffic m anagement.

  • Page 411: Evice

    17 d evice m anagement this chapter explains how to access the corebuilder ® 9000 atm enterprise switch for administration and management. The following topics are discussed in this chapter: overview local management application (lma) snmp agent ethernet encapsulation type corebuilder 9000 atm enter...

  • Page 412

    412 c hapter 17: d evice m anagement figure 28 management connection options figure 29 depicts the various protocols that can access the corebuilder 9000 atm enterprise switch management applications. A detailed discussion of each application follows. Figure 29 protocols used to access the managemen...

  • Page 413

    Local management application (lma) 413 local management application (lma) the local management application is a menu-driven user interface for system-level administration on the corebuilder 9000 atm enterprise switch. Local management supports the following functions: atm information and configurati...

  • Page 414

    414 c hapter 17: d evice m anagement security local management security rests on a hierarchy of passwords: admin, write, and read. For additional information on local management security, see “password setup” on page 60. Figure 30 corebuilder 9000 atm enterprise switch administration console.

  • Page 415

    Snmp agent 415 snmp agent simple network management protocol (snmp) is a standard management protocol for multi-vendor ip networks. Each corebuilder 9000 atm enterprise switch has one snmp agent that monitors objects on the switch and reports data to a network management system. Management informati...

  • Page 416

    416 c hapter 17: d evice m anagement snmp traps an snmp trap is an asynchronous report of a mib event to the network management station; it is sent to the nms address. Table 61 lists the following traps the corebuilder 9000 atm enterprise switch: currently supports. Managing by snmp you can manage t...

  • Page 417

    Snmp agent 417 access methods the corebuilder 9000 atm enterprise switch can implement the snmp agent in two ways: out-of-band via the ethernet port in-band over lan emulation via one of the atm ports use the lma to configure the corebuilder 9000 atm enterprise switch’s ip address, subnet mask, nms ...

  • Page 418

    418 c hapter 17: d evice m anagement ethernet encapsulation type as mentioned previously, the ethernet port on the front panel of the atm switch fabric module is provided for the management of the corebuilder 9000 atm enterprise switch either by the lma via telnet or by out-of-band snmp. The etherne...

  • Page 419: Witch

    18 s witch r edundancy this chapter covers the following topics: need for a redundant switch fabric module identifying the active switch fabric module conditions for switch-over to redundant module switch fabric module configuration database information based on the mac address resetting to factory ...

  • Page 420

    420 c hapter 18: s witch r edundancy identifying the active switch fabric module while the corebuilder ® 9000 atm enterprise switch boots, the atm switch fabric module that is installed in slot 8 (of a 16-slot chassis) is assigned as the active switch and the switch fabric module that is installed i...

  • Page 421

    Information based on the mac address 421 information based on the mac address when the redundant switch takes over, it is assigned the ip address of the main (active) switch. However, each switch fabric module board has a unique mac address burned into its eprom. This mac address is used by the core...

  • Page 422

    422 c hapter 18: s witch r edundancy standby suspend state you can place a standby switch in standby suspend state via the (1)\ (4)\ (3) \(2) option in the lma. When a redundant switch fabric module is in standby suspend state, it cannot replace the active switch fabric module in the event of a rese...

  • Page 423: Iewing

    19 v iewing n etwork s tatistics this chapter explains how to view network statistics to help you perform some related diagnostic tasks. If you have problems that are not addressed in this chapter, see appendix d. Viewing network statistics at any time after you configure the corebuilder ® 9000 atm ...

  • Page 424

    424 c hapter 19: v iewing n etwork s tatistics 2 atm: atm layer the atm layer statistics can be consulted if, for example, a vpi/vci is not recognized when setting up a call. These statistics also provide information on the capacity of traffic within ports. . Use the prt option to display the atm la...

  • Page 425: III

    Iii a ppendixes appendix a atm switch fabric module specifications appendix b downloading software appendix c protocols and interfaces appendix d technical support.

  • Page 427: Atm S

    A atm s witch f abric m odule s pecifications physical environmental safety table 63 atm switch fabric module specifications specification metric imperial height 38.8 cm 15.3 in. Width 3.81 cm 1.5 in. Depth 32.7 cm 12.8 in. Weight 1700 g 3.74 lb table 64 environmental specifications specification me...

  • Page 428

    428 a ppendix a: atm s witch f abric m odule s pecifications electromagnetic compatibility standards supported corebuilder management and interface leds corebuilder management and interface connectors table 66 electromagnetic compatibility specification standard meets fcc part 15 subparagraph b, cla...

  • Page 429: Ownloading

    B d ownloading s oftware this chapter describes the procedure to download the software for the atm switch fabric module, the atm interface module, and the monitor. It covers the following topics: software download/upgrade facility rs-232 upgrade instructions tftp upgrade instructions downloading the...

  • Page 430

    430 a ppendix b: d ownloading s oftware caution: make sure that the corebuilder 9000 atm enterprise switch is properly grounded before you begin. Hardware and software requirements the following items are required for loading the software: pc 486 or higher, running ms-windows 3.1 or higher with ms-t...

  • Page 431

    Rs-232 upgrade instructions 431 preparations before you begin the download procedure, log into the corebuilder 9000 enterprise atm switch local management access (lma) . Downloading the software files to use the rs-232 download, the switch must be put in a special state, in which the operational sof...

  • Page 432

    432 a ppendix b: d ownloading s oftware tftp upgrade instructions this section describes the procedure to download software via tftp. Atm interface module, switch fabric module and monitor module software download to download software for the corebuilder 9000 atm interface module or for the atm swit...

  • Page 433

    Verifying tftp download status 433 if the tftp download does not succeed, try using the rs-232 upgrade instructions. Putting the standby switch fabric module in in-service mode after upgrading the standby switch fabric module software, you should return the standby switch fabric module to in-service...

  • Page 434

    434 a ppendix b: d ownloading s oftware system loader cannot reach the server check the following: cable connection if tftp server is up tftp server ip address flash memory partially erased after downloading switch fabric module software: download software again via rs-232 port. After downloading at...

  • Page 435: Rotocols

    C p rotocols and i nterfaces this appendix describes basic concepts and information about interfaces and management protocols that are used in the atm system including the following topics: physical layer interfaces atm layer operation and maintenance (oam) atm adaptation layer (aal) physical layer ...

  • Page 436

    436 a ppendix c: p rotocols and i nterfaces cell delineation: this function permits the identification of cell boundaries in the payload. It uses the header error control (hec) field in the cell header. Path signal identification: an integrity check is performed on the end-to-end signal. Cell mappin...

  • Page 437

    Physical layer interfaces 437 ds-3 physical layer interface ds-3 is an important interface because it is widely deployed on public unis. Although the ds-3 rate is 44.76 mbps, the nominal bit rate that is available for the transport of atm cells is 40.704 mbps. This is due to the overhead induced by ...

  • Page 438

    438 a ppendix c: p rotocols and i nterfaces atm layer this section presents the structure of the atm cell and atm layer. Atm cell structure the atm cell is defined as 48 bytes of payload and 5 bytes of header information totaling 53 bytes. The header contains enough information to allow the network ...

  • Page 439

    Atm layer 439 the atm layer atm is based on a layered architecture. In the protocol stack, the atm layer sits directly above the physical layer. Many physical layers can be specified, including several for 100 to 155 mbps. In the protocol hierarchy, the atm adaptation layer (aal) sits above the atm ...

  • Page 440

    440 a ppendix c: p rotocols and i nterfaces the atm layer supports fault management, including alarm surveillance and connectivity verification functions. Oam cells are used for exchanging operation related information. Atm cells with valid vpi/vci values are discarded and layer management is inform...

  • Page 441

    Operation and maintenance (oam) 441 the virtual channel connection (vcc) operation information is carried via the f5 flow oam cells. These cells have the same vpi/vci values as the user-data cells but are identified by preassigned code points of the pt field. Two unique pt values are used for every ...

  • Page 442

    442 a ppendix c: p rotocols and i nterfaces atm adaptation layer (aal) the role of the atm adaptation layers (aals) is to define how to deal with the contents of cells. The aal performs segmentation and reassembly (sar) on cells. It formats data into the 48 byte atm cell payload, in effect adapting ...

  • Page 443

    Atm adaptation layer (aal) 443 aal5 the aal5 is the data-oriented adaptation layer. The crc is appended to the end of the frame to protect the user information against bit and cell errors. It is padded to align to 48 bytes (figure 35). To indicate frame boundaries and determine when to reassemble an...

  • Page 444

    444 a ppendix c: p rotocols and i nterfaces figure 35 aal5 frame format figure 36 segmentation - converting an atm frame to cells.

  • Page 445: Echnical

    D 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 very latest, 3com recommends that you access the 3com corporation ...

  • Page 446

    446 a ppendix d: t echnical s upport to connect to the 3com ftp site, enter the following information into your ftp client: hostname: ftp.3com.Com (or 192.156.136.12 ) username: anonymous password: a user name and password are not needed with web browser software such as netscape navigator and inter...

  • Page 447

    Support from your network supplier 447 3com facts automated fax service the 3com facts automated fax service provides technical articles, diagrams, and troubleshooting instructions on 3com products 24 hours a day, 7 days a week. Call 3comfacts using your touch-tone telephone: 1 408 727 7021 support ...

  • Page 448

    448 a ppendix d: t echnical s upport below is a list of worldwide technical telephone support numbers: country telephone number country telephone number asia pacific rim australia hong kong india indonesia japan malaysia new zealand pakistan philippines 1 800 678 515 800 933 486 61 2 9937 5085 001 8...

  • Page 449

    Returning products for repair 449 returning products for repair before you send a product directly to 3com for repair, you must first obtain a return materials authorization (rma) number. Products sent to 3com without rma numbers will be returned to the sender unopened, at the sender’s expense. To o...

  • Page 450

    450 a ppendix d: t echnical s upport.

  • Page 451: Lossary

    G lossary 451 g lossary asic application specific integrated circuit, a chip designed for a particular application. Asics are built by connecting existing circuit building blocks in new ways. Because the building blocks already exist in a library, it is much easier to produce a new asic than to desi...

  • Page 452

    452 g lossary early packet discard (epd) a procedure for discarding cells related to one user frame to minimize the impact of congestion. Efci explicit forward congestion indication. A 1-bit field in the pti that contains information about whether congestion at an intermediate node has been experien...

  • Page 453

    G lossary 453 partial packet drop (ppd) a procedure for discarding cells related to one user frame to minimize the impact of congestion. Port status led leds that indicate the status of each port. Software error led leds that light up in a binary pattern to indicate the nature of the software error....

  • Page 454

    454 g lossary.

  • Page 455: Ndex

    I ndex 455 i ndex numbers 10base-t (rj-45) ethernet 34 16-slot chassis quick installation guide 42 16-slot power supply installation guide for the corebuilder 9000 enterprise switch 42 3com transcend enterprise manager (tem) 42, 416 world wide web site 19 3com bulletin board service (3com bbs) 446 3...

  • Page 456

    456 i ndex network prefix 337 of bus 387 of destination lec 386 of les in lecs 377 registered in les 376 registration at uni 325 user part 337 atm cell layout 308 structure 308 atm cell header virtual channel identifier (vci) 438 virtual path identifier (vpi) 438 atm connection establishing at uni 3...

  • Page 457

    I ndex 457 clear a connection 366 database 367 distribution of switch resources 366 drop a party 366 establish a connection 366 maintain a connection 366 call-proceeding enable value displaying 194 calls in switch displaying 209 cell delineation 436 descrambling 436 discrimination 439 drop 408 heade...

  • Page 458

    458 i ndex d daughter card configuration 31 daughter cards installing 42 descrambling cell 436 detecting bit errors 439 lost cells 442 device management 32 displaying auto-configuration status 124 call-proceeding enable value 194 ethernet encapsulation type 78 gateway configuration 70 ilmi channel p...

  • Page 459

    I ndex 459 esd safety information 38 establishing connection 359 ethernet encapsulation type displaying 78 ethernet protocols 35 explicit forward congestion indication traffic management 404 external clock source setting 118, 119 f f4 flow 440 f5 flow 441 fault management atm layer 440 oam 441 fax s...

  • Page 460

    460 i ndex compatible with 8-port board 30 media 31 media type 104 multimode fiber 30 operational status 102, 104 port id number 102, 104 port interface type 104 port status 104 short reach single mode 30 type 30 interface module characteristics media 31 interim interswitch protocol (iisp) 331 gener...

  • Page 461

    I ndex 461 leds interface 428 management 428 legacy end stations connecting 375 les atm addresses registered in 376 configurations reset 292 directory populating 376 general information 272 luni 381 operational 395 primary 394 redundancy 237, 394 redundancy parameters 237 redundant 272, 273 secondar...

  • Page 462

    462 i ndex o online technical services 445 operating humidity 427 operation and maintenance (oam) activation/deactivation 441 atm layer 440 cell format 441 cell functions 441 end-to-end cells 441 fault management 441 oam cell 441 performance management 441 physical layer 440 operation overview 29, 4...

  • Page 463

    I ndex 463 power supply installing 42 ppd 33 precautions handling 38 safety 37 prefix, switch 384 prerequisites installation 42 primary les 394 prioritized output buffers 406 priority high priority queue 161 low priority queue 161 pvc call 171 priority output queues 406 private network network inter...

  • Page 464

    464 i ndex segment id configure 259 segmentation and reassembly (sar) 311 atm adaptation layer 442 server farms 33 service console 418 service registry mib 328 setting clock synchronization 117 interface type for a specific port 81 setup integrated 45 signaling features 355 general 35 standard atm 3...

  • Page 465

    I ndex 465 synchronous optical network (sonet) 435 bit timing 436 cell mapping 436 cell scrambling/descrambling 436 overview 435 path signal identification 436 transmission frame generation & recovery 436 system-level administration 413 t table service registry 328 tail drop 408 buffer level thresho...

  • Page 466

    466 i ndex w workgroup topology overview 314 world wide web (www) 445 write access level 414 write community string configuration displaying 76 write-access password updating 62.

  • Page 467

    3com corporation l imited w arranty corebuilder ® 9000 atm enterprise switch fabric module h ardware 3com warrants this hardware product to be free from defects in workmanship and materials, under normal use and service, for the following length of time from the date of purchase from 3com or its aut...

  • Page 468

    Dead- or defective-on-arrival. In the event a product completely fails to function or exhibits a defect in materials or workmanship within the first forty-eight (48) hours of installation but no later than thirty (30) days after the date of purchase, and this is verified by 3com, it will be consider...