1. DL manuals
  2. D-Link
  3. Switch
  4. DES-3550
  5. Manual

D-Link DES-3550 Manual - Radius Server

Manual is about: Product Manual

Summary of DES-3550

  • Page 1

    D-link ™ des-3550 managed 48-port 10/100mbps and 2ge ports layer 2 ethernet switch release ii manual second edition (june 2004) printed in taiwan recyclable.

  • Page 2

    __________________________________________________________________________________ information in this document is subject to change without notice. © 2004 d-link computer corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of d-link computer corpor...

  • Page 3: Table of Contents

    Des-3550 fast ethernet layer 2 switch table of contents preface............................................................................................................................................................................. Viii intended readers ............................................

  • Page 4

    Des-3550 fast ethernet layer 2 switch password protection......................................................................................................................................................................... 16 snmp settings ...........................................................

  • Page 5

    Des-3550 fast ethernet layer 2 switch forwarding filtering..........................................................................................................................................................54 unicast forwarding .....................................................................

  • Page 6

    Des-3550 fast ethernet layer 2 switch port-based network access control ............................................................................................................................................... 99 mac-based network access control....................................................

  • Page 7

    Des-3550 fast ethernet layer 2 switch monitoring ...........................................................................................................................................................................142 port utilization ..............................................................

  • Page 8

    Des-3550 fast ethernet layer 2 switch group icon .............................................................................................................................................................180 commander switch icon........................................................................

  • Page 9

    Des-3550 fast ethernet layer 2 switch vii.

  • Page 10: Preface

    Des-3550 fast ethernet layer 2 switch preface the des-3550 manual is divided into sections that describe the system installation and operating instructions with examples. Section 1, “introduction”– describes the switch and its features. Section 2, “installation” – helps you get started with the basi...

  • Page 11: Intended Readers

    Des-3550 fast ethernet layer 2 switch intended readers the des-3550 manual contains information for setup and management of the switch. This manual is intended for network managers familiar with network management concepts and terminology. Typographical conventions convention description [ ] in a co...

  • Page 12: Safety Instructions

    Des-3550 fast ethernet layer 2 switch safety instructions use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage. Throughout this safety section, the caution icon ( ) is used to indicate cautions and precautions that you need to r...

  • Page 13: Products

    Des-3550 fast ethernet layer 2 switch remove the grounding prong from a cable. If you must use an extension cable, use a 3-wire cable with properly grounded plugs. • • • • • • • • • observe extension cable and power strip ratings. Make sure that the total ampere rating of all products plugged into t...

  • Page 14

    Des-3550 fast ethernet layer 2 switch do not step on or stand on any component when servicing other components in a rack. • note: a qualified electrician must perform all connections to dc power and to safety grounds. All electrical wiring must comply with applicable local or national codes and prac...

  • Page 15: Section 1

    Des-3550 fast ethernet layer 2 switch section 1 introduction ethernet technology switch description features ports front-panel components side panel description rear panel description gigabit combo ports ethernet technology fast ethernet technology fast ethernet the growing importance of lans and th...

  • Page 16: Switching Technology

    Des-3550 fast ethernet layer 2 switch switching technology another key development pushing the limits of ethernet technology is in the field of switching technology. A switch bridges ethernet packets at the mac address level of the ethernet protocol transmitting among connected ethernet or fast ethe...

  • Page 17: Ports

    Des-3550 fast ethernet layer 2 switch dual image firmware • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • simple network time protocol support mac notification support asymmetric vlan support system and port utilization support system log support high performance switching engine...

  • Page 18: Front-Panel Components

    Des-3550 fast ethernet layer 2 switch two 1000base-t mini-gbic combo ports for connecting to another switch, server, or network backbone. • • rs-232 dce diagnostic port (console port) for setting up and managing the switch via a connection to a console terminal or pc using a terminal emulation progr...

  • Page 19: Rear Panel Description

    Des-3550 fast ethernet layer 2 switch port leds one row of leds for each port is located above the ports on the front panel. The first led is for the top port and the second one is for the bottom ports. These port leds will light two different colors for 10m and 100m. • • amber - for speeds of 10 mb...

  • Page 20: Gigabit Combo Ports

    Des-3550 fast ethernet layer 2 switch figure 1- 4. Side panels gigabit combo ports in addition to the 48 10/100 mbps ports, the switch features two gigabit ethernet combo ports. These two ports are 1000base-t copper ports (provided) and mini-gbic ports (optional). See the diagram below to view the t...

  • Page 21: Section 2

    Des-3550 fast ethernet layer 2 switch figure 1- 6. Installing the mini-gbic module section 2 installation package contents before you connect to the network installing the switch without the rack rack installation power on package contents open the shipping carton of the switch and carefully unpack ...

  • Page 22

    Des-3550 fast ethernet layer 2 switch one des-3550 stand-alone switch • • • • • • • • • • • • • • one ac power cord this manual registration card mounting kit (two brackets and screws) four rubber feet with adhesive backing rs-232 console cable if any item is found missing or damaged, please contact...

  • Page 23

    Des-3550 fast ethernet layer 2 switch installing the switch in a rack the switch can be mounted in a standard 19" rack. Use the following diagrams to guide you. Figure 2- 2. Fasten mounting brackets to switch fasten the mounting brackets to the switch using the screws provided. With the brackets att...

  • Page 24: Section 3

    Des-3550 fast ethernet layer 2 switch power on plug one end of the ac power cord into the power connector of the switch and the other end into the local power source outlet. After the switch is powered on, the led indicators will momentarily blink. This blinking of the led indicators represents a re...

  • Page 25: Switch to Hub Or Switch

    Des-3550 fast ethernet layer 2 switch figure 3- 1. Switch connected to an end node the link/act leds for each utp port will light green or amber when the link is valid. A blinking led indicates packet activity on that port. Switch to hub or switch these connections can be accomplished in a number of...

  • Page 26: Section 4

    Des-3550 fast ethernet layer 2 switch figure 3- 3. Uplink connection to a server. Section 4 introduction to switch management management options web-based management interface snmp-based management managing user accounts command line console interface through the serial port connecting the console p...

  • Page 27: Management Options

    Des-3550 fast ethernet layer 2 switch management options this system may be managed out-of-band through the console port on the front panel or in-band using telnet. The user may also choose the web-based management, accessible through a web browser. Web-based management interface after you have succ...

  • Page 28

    Des-3550 fast ethernet layer 2 switch 10. After the boot sequence completes, the console login screen displays. 11. If you have not logged into the command line interface (cli) program, press the enter key at the user name and password prompts. There is no default user name and password for the swit...

  • Page 29

    Des-3550 fast ethernet layer 2 switch note: press ctrl+r to refresh the screen. This command can be used at any time to force the console program in the switch to refresh the console screen. Figure 4- 2. Initial screen, first time connecting to the switch press enter in both the username and passwor...

  • Page 30: Password Protection

    Des-3550 fast ethernet layer 2 switch password protection the des-3550 does not have a default user name and password. One of the first tasks when settings up the switch is to create user accounts. If you log in using a predefined administrator-level user name, you have privileged access to the swit...

  • Page 31: Ip Address Assignment

    Des-3550 fast ethernet layer 2 switch controlled by the on-board snmp agent. Snmp defines both the format of the mib specifications and the protocol used to access this information over the network. The des-3550 supports snmp versions 1, 2c, and 3. You can specify which version of snmp you want to u...

  • Page 32

    Des-3550 fast ethernet layer 2 switch the switch is also assigned a unique mac address by the factory. This mac address cannot be changed, and can be found by entering the command "show switch" into the command line interface, as shown below. Figure 4- 4. Show switch command the switch's mac address...

  • Page 33

    Des-3550 fast ethernet layer 2 switch figure 4- 5. Assigning the switch an ip address in the above example, the switch was assigned an ip address of 10.53.13.144 with a subnet mask of 255.0.0.0. The system message success indicates that the command was executed successfully. The switch can now be co...

  • Page 34: Section 5

    Des-3550 fast ethernet layer 2 switch section 5 introduction to web-based switch configuration introduction login to web manager web-based user interface basic setup reboot basic switch setup network management switch utilities network monitoring igmp snooping status introduction all software functi...

  • Page 35: Web-Based User Interface

    Des-3550 fast ethernet layer 2 switch figure 5- 2. Enter network password window leave both the user name field and the password field blank and click ok. This will open the web-based user interface. The switch management features available in the web-based manager are explained below. Web-based use...

  • Page 36: Web Pages

    Des-3550 fast ethernet layer 2 switch area 3 presents switch information based on your selection and the entry of configuration data. Notice: any changes made to the switch configuration during the current session must be saved in the save changes web menu (explained below) or use the command line i...

  • Page 37: Section 6

    Des-3550 fast ethernet layer 2 switch section 6 configuring the switch switch information ip address advanced settings port configuration port description port mirroring link aggregation lacp port setting mac notification igmp spanning tree forward filtering vlans port security qos system log server...

  • Page 38: Ip Address

    Des-3550 fast ethernet layer 2 switch figure 6- 1. Switch information (basic settings) window the switch information window shows the switch's mac address (assigned by the factory and unchangeable), the boot prom, firmware version, and hardware version. This information is helpful to keep track of p...

  • Page 39

    Des-3550 fast ethernet layer 2 switch 3. If you want to access the switch from a different subnet from the one it is installed on, enter the ip address of the default gateway. If you will manage the switch from the subnet on which it is installed, you can leave the default address (0.0.0.0) in this ...

  • Page 40: Advanced Settings

    Des-3550 fast ethernet layer 2 switch click apply to let your changes take effect. Setting the switch's ip address using the console interface each switch must be assigned its own ip address, which is used for communication with an snmp network manager or other tcp/ip application (for example bootp,...

  • Page 41

    Des-3550 fast ethernet layer 2 switch parameter description serial port auto logout time select the logout time used for the console interface. This automatically logs the user out after an idle period of time, as defined. Choose from the following options: 2 minutes, 5 minutes, 10 minutes, 15 minut...

  • Page 42: Port Configurations

    Des-3550 fast ethernet layer 2 switch syslog global state enables or disables syslog state; default is disabled. Click apply to implement changes made. Note: when the asymmetric vlan function is disabled, the user must change the vlan setting on the switch to its default configurations. Port configu...

  • Page 43

    Des-3550 fast ethernet layer 2 switch figure 6- 4. Port configuration and the port information table window to configure switch ports: 1. Choose the port or sequential range of ports using the from…to… port pull-down menus. 2. Use the remaining pull-down menus to configure the parameters described b...

  • Page 44: Port Description

    Des-3550 fast ethernet layer 2 switch parameter description state toggle the state field to either enable or disable a given port or group of ports. Speed/duplex toggle the speed/duplex field to either select the speed and duplex/half-duplex state of the port. Auto denotes auto-negotiation between 1...

  • Page 45

    Des-3550 fast ethernet layer 2 switch figure 6- 5. Port description setting and port description table 31.

  • Page 46: Port Mirroring

    Des-3550 fast ethernet layer 2 switch use the from and to pull down menu to choose a port or range of ports to describe, and then enter a description of the port(s). Click apply to set the descriptions in the port description table. Port mirroring the switch allows you to copy frames transmitted and...

  • Page 47: Link Aggregation

    Des-3550 fast ethernet layer 2 switch link aggregation understanding port trunk groups port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline. The des-3550 supports up to 6 port trunk groups with 2 to 8 ports in each group. A potential bit rate...

  • Page 48

    Des-3550 fast ethernet layer 2 switch the spanning tree protocol will treat a link aggregation group as a single link, on the switch level. On the port level, the stp will use the port parameters of the master port in the calculation of port cost and in determining the state of the link aggregation ...

  • Page 49: Lacp Port Setting

    Des-3550 fast ethernet layer 2 switch figure 6- 10. Link aggregation group configuration window - modify the user-changeable parameters are as follows: parameter description group id select an id number for the group, between 1 and 6. State trunk groups can be toggled between enabled and disabled. T...

  • Page 50

    Des-3550 fast ethernet layer 2 switch figure 6- 11. Lacp port settings and lacp port table the user may set the following parameters: 36.

  • Page 51: Mac Notification

    Des-3550 fast ethernet layer 2 switch parameter description from/to a consecutive group of ports may be configured starting with the selected port. Mode active - active lacp ports are capable of processing and sending lacp control frames. This allows lacp compliant devices to negotiate the aggregate...

  • Page 52

    Des-3550 fast ethernet layer 2 switch figure 6- 13. Mac notification port settings and port state table 38.

  • Page 53: Igmp

    Des-3550 fast ethernet layer 2 switch the following parameters may be set: parameter description from…to select a port or group of ports to enable for mac notification using the pull down menus. State enable mac notification for the ports selected using the pull down menu. Click apply to implement c...

  • Page 54

    Des-3550 fast ethernet layer 2 switch figure 6- 15. Igmp snooping settings window the following parameters may be viewed or modified: parameter description vlan id this is the vlan id that, along with the vlan name, identifies the vlan the user wishes to modify the igmp snooping settings for. Vlan n...

  • Page 55

    Des-3550 fast ethernet layer 2 switch leave timer this specifies the maximum amount of time in seconds between the switch receiving a leave group message from a host, and the switch issuing a group membership query. If no response to the membership query is received before the leave timer expires, t...

  • Page 56: Spanning Tree

    Des-3550 fast ethernet layer 2 switch figure 6- 17. Static router ports settings window the following parameters can be set: parameter description vid (vlan id) this is the vlan id that, along with the vlan name, identifies the vlan where the multicast router is attached. Vlan name this is the name ...

  • Page 57

    Des-3550 fast ethernet layer 2 switch 1. A configuration name defined by an alphanumeric string of up to 32 characters (defined in the stp bridge global settings window in the configuration name field). 2. A configuration revision number (named here as a revision level and found in the stp bridge gl...

  • Page 58: Stp Bridge Global Settings

    Des-3550 fast ethernet layer 2 switch topology to stabilize before transitioning to a forwarding state. In order to allow this rapid transition, the protocol introduces two new variables: the edge port and the point-to-point (p2p) port. Edge port the edge port is a configurable designation used for ...

  • Page 59

    Des-3550 fast ethernet layer 2 switch figure 6- 19. Stp bridge global settings - rstp (default) figure 6- 20. Stp bridge global settings the following parameters can be set: parameter description mst configuration identification stp status use the pull-down menu to enable or disable stp globally on ...

  • Page 60

    Des-3550 fast ethernet layer 2 switch stp - select this parameter to set the spanning tree protocol(stp) globally on the switch. Rstp - select this parameter to set the rapid spanning tree protocol (rstp) globally on the switch. Mstp - select this parameter to set the multiple spanning tree protocol...

  • Page 61: Mst Configuration Table

    Des-3550 fast ethernet layer 2 switch note: the hello time cannot be longer than the max. Age. Otherwise, a configuration error will occur. Observe the following formulas when setting the above parameters: max. Age = 2 x (forward delay - 1 second) max. Age = 2 x (hello time + 1 second) mst configura...

  • Page 62

    Des-3550 fast ethernet layer 2 switch figure 6- 22. Instance id settings window- add the user may configure the following parameters to create a msti in the switch. Parameter description msti id enter a number between 1 and 15 to set a new msti on the switch. Type create is selected to create a new ...

  • Page 63

    Des-3550 fast ethernet layer 2 switch unchangeable. Vid list (1-4094) this field is used to specify the vid range from configured vlans set on the switch. Supported vids on the switch range from id number 1 to 4094. This field is inoperable when configuring the cist. Priority (0-61440) select a valu...

  • Page 64: Msti Settings

    Des-3550 fast ethernet layer 2 switch msti settings this window displays the current msti configuration settings and can be used to update the port configuration for an msti id. If a loop occurs, the mstp function will use the port priority to select an interface to put into the forwarding state. Se...

  • Page 65: Stp Instance Settings

    Des-3550 fast ethernet layer 2 switch priority enter a value between 0 and 240 to set the priority for the port interface. A higher priority will designate the interface to forward packets first. A lower number denotes a higher priority. Click apply to implement changes made. Stp instance settings t...

  • Page 66

    Des-3550 fast ethernet layer 2 switch figure 6- 28. Stp port settings and mstp port information table 52.

  • Page 67

    Des-3550 fast ethernet layer 2 switch in addition to setting spanning tree parameters for use on the switch level, the switch allows for the configuration of groups of ports, each port-group of which will have its own spanning tree, and will require some of its own configuration settings. An stp gro...

  • Page 68: Forwarding Filtering

    Des-3550 fast ethernet layer 2 switch operate as if the p2p value were false. The default setting for this parameter is true. State this drop-down menu allows you to enable or disable stp for the selected group of ports. The default is enabled. Click apply to implement changes made. Forwarding filte...

  • Page 69

    Des-3550 fast ethernet layer 2 switch figure 6- 30. Static multicast forwarding settings and current multicast forwarding entries the static multicast forwarding settings page displays all of the entries made into the switch's static multicast forwarding table. Click the add button to open the setup...

  • Page 70: Multicast Port Filtering

    Des-3550 fast ethernet layer 2 switch multicast port filtering the following figure and table describe how to set up multicast forwarding on the switch. Open the forwarding filtering folder and click on the multicast port filtering mode setup link to see the entry screen below: figure 6- 32. Multica...

  • Page 71: Vlans

    Des-3550 fast ethernet layer 2 switch parameter description from/to these two drop-down menus allow you to select a range of ports that the filter settings will be applied to. Mode this drop-down menu allows you to select the action the switch will take when it receives a multicast packet that is to...

  • Page 72: Ieee 802.1Q Vlans

    Des-3550 fast ethernet layer 2 switch appears as a single lan. Vlans also logically segment the network into different broadcast domains so that packets are forwarded only between ports within the vlan. Typically, a vlan corresponds to a particular subnet, although not nec- essarily. Vlans can enhan...

  • Page 73

    Des-3550 fast ethernet layer 2 switch figure 6- 33. Ieee 802.1q packet forwarding 802.1q vlan tags the figure below shows the 802.1q vlan tag. There are four additional octets inserted after the source mac address. Their presence is indicated by a value of 0x8100 in the ethertype field. When a packe...

  • Page 74

    Des-3550 fast ethernet layer 2 switch the ethertype and vlan id are inserted after the mac source address, but before the original ethertype/length or logical link control. Because the packet is now a bit longer than it was originally, the cyclic redundancy check (crc) must be recalculated. Figure 6...

  • Page 75

    Des-3550 fast ethernet layer 2 switch vlan information intact. The vlan information in the tag can then be used by other 802.1q compliant devices on the network to make packet-forwarding decisions. Ports with untagging enabled will strip the 802.1q tag from all packets that flow into and out of thos...

  • Page 76: Static Vlan Entry

    Des-3550 fast ethernet layer 2 switch on port-based vlans, nics do not need to be able to identify 802.1q tags in packet headers. Nics send and receive normal ethernet packets. If the packet's destination lies on the same segment, communications take place using normal ethernet protocols. Even thoug...

  • Page 77

    Des-3550 fast ethernet layer 2 switch figure 6- 37. 802.1q static vlans - add to return to the current 802.1q static vlans entries window, click the show all static vlan entries link. To change an existing 802.1q vlan entry, click the modify button of the corresponding entry you wish to modify. A ne...

  • Page 78: Gvrp Setting

    Des-3550 fast ethernet layer 2 switch parameter description vid (vlan id) allows the entry of a vlan id in the add dialog box, or displays the vlan id of an existing vlan in the modify dialog box. Vlans can be identified by either the vid or the vlan name. Vlan name allows the entry of a name for th...

  • Page 79

    Des-3550 fast ethernet layer 2 switch figure 6- 39. 802.1q port settings and 802.1q port table the following fields can be set: parameter description from/to these two fields allow you to specify the range of ports that will be included in the port-based vlan that you are creating using the 802.1q p...

  • Page 80: Traffic Control

    Des-3550 fast ethernet layer 2 switch 802.1q port settings table. The switch's default is to assign all ports to the default vlan with a vid of 1.The pvid is used by the port to tag outgoing, untagged packets, and to make filtering decisions about incoming packets. If the port is specified to accept...

  • Page 81: Port Security

    Des-3550 fast ethernet layer 2 switch traffic or storm control is used to stop broadcast, multicast or arp request storms that may result when a loop is created. The destination look up failure control is a method of shutting down a loop when a storm is formed because a mac address cannot be located...

  • Page 82

    Des-3550 fast ethernet layer 2 switch figure 6- 41. Port security settings window 68.

  • Page 83: Qos

    Des-3550 fast ethernet layer 2 switch the following parameters can be set: parameter description from/to a consecutive group of ports may be configured starting with the selected port. Admin state this pull-down menu allows you to enable or disable port security (locked mac address table for the sel...

  • Page 84: Understanding Qos

    Des-3550 fast ethernet layer 2 switch figure 6- 42. Mapping qos on the switch the picture above shows the default priority setting for the switch. Class-3 has the highest priority of the four priority queues on the switch. In order to implement qos, the user is required to instruct the switch to exa...

  • Page 85: Port Bandwidth

    Des-3550 fast ethernet layer 2 switch for weighted round-robin queuing, the number of packets sent from each priority queue depends upon the assigned weight. For a configuration of 8 cos queues, a~h with their respective weight value: 8~1, the packets are sent in the following sequence: a1, b1, c1, ...

  • Page 86

    Des-3550 fast ethernet layer 2 switch figure 6- 43. Bandwidth settings and port bandwidth table 72.

  • Page 87: Scheduling

    Des-3550 fast ethernet layer 2 switch the following parameters can be set or are displayed: parameter description from/to a consecutive group of ports may be configured starting with the selected port. Type this drop-down menu allows you to select between rx (receive,) tx (transmit,) and both. This ...

  • Page 88: 802.1P Default Priority

    Des-3550 fast ethernet layer 2 switch note: the settings you assign to the queues, numbers 0-7, represent the ieee 802.1p priority tag number. Do not confuse these settings with port numbers. 802.1p default priority the switch allows the assignment of a default 802.1p priority to each port on the sw...

  • Page 89

    Des-3550 fast ethernet layer 2 switch figure 6- 45. 802.1p default priority window 75.

  • Page 90: 802.1P User Priority

    Des-3550 fast ethernet layer 2 switch this page allows you to assign a default 802.1p priority to any given port on the switch. The priority queues are numbered from 0, the lowest priority, to 7, the highest priority. Click apply to implement your settings. 802.1p user priority the des-3550 allows t...

  • Page 91

    Des-3550 fast ethernet layer 2 switch figure 6- 47. Traffic segmentation setting and traffic segmentation table window 77.

  • Page 92: System Log Server

    Des-3550 fast ethernet layer 2 switch this page allows you to determine which port on a given switch will be allowed to forward packets to other ports on that switch. The user may set the following parameters: parameter description port check the corresponding boxes for the port(s) you wish to trans...

  • Page 93

    Des-3550 fast ethernet layer 2 switch server ip the ip address of the syslog server. Severity this drop-down menu allows you to select the level of messages that will be sent. The options are warning, informational, and all. Facility some of the operating system daemons and processes have been assig...

  • Page 94: Sntp Settings

    Des-3550 fast ethernet layer 2 switch sntp settings current time settings to configure the time settings for the switch, open the configuration folder, then the sntp folder and click on the current time setting link, revealing the following screen for the user to configure. Figure 6- 50. Time settin...

  • Page 95

    Des-3550 fast ethernet layer 2 switch year enter the current year, if you want to update the system clock. Month enter the current month, if you would like to update the system clock. Day enter the current day, if you would like to update the system clock. Time in hh mm enter the current time in hou...

  • Page 96

    Des-3550 fast ethernet layer 2 switch daylight saving time state use this pull-down menu to enable or disable the dst settings. Daylight saving time offset in minutes use this pull-down menu to specify the amount of time that will constitute your local dst offset - 30, 60, 90, or 120 minutes. Time z...

  • Page 97: Access Profile Table

    Des-3550 fast ethernet layer 2 switch access profile table configuring the access profile table access profiles allow you to establish criteria to determine whether or not the switch will forward packets based on the information contained in each packet's header. These criteria can be specified on a...

  • Page 98

    Des-3550 fast ethernet layer 2 switch parameter description profile id (1-255) type in a unique identifier number for this profile set. This value can be set from 1 - 255. Type select profile based on ethernet (mac address), ip address or packet content mask. This will change the menu according to t...

  • Page 99

    Des-3550 fast ethernet layer 2 switch figure 6- 54. Access profile configuration (ip) the following parameters can be set, for ip: parameter description profile id (1-255) type in a unique identifier number for this profile set. This value can be set from 1 - 255. Type select profile based on ethern...

  • Page 100

    Des-3550 fast ethernet layer 2 switch • select packet content mask to specify a mask to hide the content of the packet header. Vlan selecting this option instructs the switch to examine the vlan part of each packet header and use this as the, or part of the criterion for forwarding. Source ip mask e...

  • Page 101

    Des-3550 fast ethernet layer 2 switch figure 6- 55. Access profile configuration window (packet content mask) parameter description this screen will aid the user in configuring the switch to mask packet headers beginning with the offset value specified. The following fields are used to configure the...

  • Page 102

    Des-3550 fast ethernet layer 2 switch header. • select packet content mask to specify a mask to hide the content of the packet header. Offset this field will instruct the switch to mask the packet header beginning with the offset value specified: • • • • • value (0-15) - enter a value in hex form to...

  • Page 103

    Des-3550 fast ethernet layer 2 switch figure 6- 57. Access rule configuration window (ip) configure the following access rule configuration settings: parameter description profile id this is the identifier number for this profile set. Mode select permit to specify that the packets that match the acc...

  • Page 104

    Des-3550 fast ethernet layer 2 switch priority (0-7) this parameter is specified if you want to re-write the 802.1p default priority previously set in the switch, which is used to determine the cos queue to which packets are forwarded to. Once this field is specified, packets accepted by the switch ...

  • Page 105

    Des-3550 fast ethernet layer 2 switch to configure the access rule for ethernet, open the access profile table and click modify for an ethernet entry. This will open the following window: figure 6- 59. Access rule table to remove a previously created rule, select it and click the button. To add a ne...

  • Page 106

    Des-3550 fast ethernet layer 2 switch type selected profile based on ethernet (mac address), ip address or packet content mask. • • • ethernet instructs the switch to examine the layer 2 part of each packet header. Ip instructs the switch to examine the ip address in each frame's header. Packet cont...

  • Page 107

    Des-3550 fast ethernet layer 2 switch figure 6- 61. Access rule display window (ethernet) to configure the access rule for packet content mask, open the access profile table and click modify for a packet content mask entry. This will open the following screen: figure 6- 62. Access rule table (packet...

  • Page 108

    Des-3550 fast ethernet layer 2 switch figure 6- 63. Access rule configuration (packet content mask) to set the access rule for the packet content mask, adjust the following parameters and click apply. Parameter description profile id this is the identifier number for this profile set. Mode select pe...

  • Page 109

    Des-3550 fast ethernet layer 2 switch access id type in a unique identifier number for this access. This value can be set from 1 - 50. Type selected profile based on ethernet (mac address), ip address or packet content mask. • • • ethernet instructs the switch to examine the layer 2 part of each pac...

  • Page 110: Pae Access Entity (802.1X)

    Des-3550 fast ethernet layer 2 switch figure 6- 64. Access rule display window (ethernet) pae access entity (802.1x) 802.1x port-based and mac-based access control the ieee 802.1x standard is a security measure for authorizing and authenticating users to gain access to various wired or wireless devi...

  • Page 111

    Des-3550 fast ethernet layer 2 switch figure 6- 65. Eapol packet utilizing this method, unauthorized devices are restricted from connecting to a lan through a port to which the user is connected. Eapol packets are the only traffic that can be transmitted through the specific port until authorization...

  • Page 112

    Des-3550 fast ethernet layer 2 switch figure 6- 67. Authentication server authenticator the authenticator (the switch) is an intermediary between the authentication server and the client. The authenticator serves two purposes when utilizing 802.1x. The first purpose is to request certification infor...

  • Page 113: Authentication Process

    Des-3550 fast ethernet layer 2 switch client the client is simply the workstation that wishes to gain access to the lan or switch services. All workstation must be running software that is compliant with the 802.1x protocol. For users running windows xp, that software is included within the operatin...

  • Page 114

    Des-3550 fast ethernet layer 2 switch … 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client network access controlled port network access uncontrolled port radius server ethernet switch figure 6- 70. Example of typical port-ba...

  • Page 115: Configure Authenticator

    Des-3550 fast ethernet layer 2 switch mac-based network access control 802.1x client network access controlled port network access uncontrolled port radius server ethernet switch 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x client 802.1x cl...

  • Page 116

    Des-3550 fast ethernet layer 2 switch figure 6- 72. 802.1x authenticator settings window 102.

  • Page 117

    Des-3550 fast ethernet layer 2 switch to configure the settings by port, click on the hyperlinked port number under the port heading, which will display the following table to configure: figure 6- 73. 802.1x authenticator settings - modify this screen allows you to set the following features: parame...

  • Page 118: Pae System Control

    Des-3550 fast ethernet layer 2 switch txperiod [30 ] this sets the txperiod of time for the authenticator pae state machine. This value determines the period of an eap request/identity packet transmitted to the client. The default setting is 30 seconds. Quietperiod [60 ] this allows you to set the n...

  • Page 119

    Des-3550 fast ethernet layer 2 switch figure 6- 74. 802.1x capability settings and table window 105.

  • Page 120

    Des-3550 fast ethernet layer 2 switch to set up the switch's 802.1x port-based authentication, select which ports are to be configured in the from and to fields. Next, enable the ports by selecting authenticator from the drop-down menu under capability. Click apply to let your change take effect. Co...

  • Page 121

    Des-3550 fast ethernet layer 2 switch figure 6- 75. 802.1x port initial and port authentication state window this window allows you to initialize a port or group of ports. The initialize port table in the bottom half of the window displays the current status of the port(s). This window displays the ...

  • Page 122

    Des-3550 fast ethernet layer 2 switch mac address the mac address of the switch connected to the corresponding port, if any. Auth pae state the authenticator pae state will display one of the following: initialize, discon- nected, connecting, authenticating, authenticated, aborting, held, forceauth,...

  • Page 123: Radius Server

    Des-3550 fast ethernet layer 2 switch figure 6- 77. Reauthenticate port and reauthenticate port table window this window displays the following information: parameter description port the port number of the reauthenticated port. Mac address displays the physical address of the switch where the port ...

  • Page 124

    Des-3550 fast ethernet layer 2 switch figure 6- 78. Radius server authentication setting and current radius server settings table window this window displays the following information: parameter description succession choose the desired radius server to configure: first, second or third. Radius serv...

  • Page 125: Layer 3 Ip Networking

    Des-3550 fast ethernet layer 2 switch layer 3 ip networking static arp table the address resolution protocol (arp) is a tcp/ip protocol that converts ip addresses into physical addresses. This table allows network managers to view, define, modify and delete arp information for specific devices. Stat...

  • Page 126

    Des-3550 fast ethernet layer 2 switch 112.

  • Page 127: Section 7

    Des-3550 fast ethernet layer 2 switch section 7 management security ip user accounts access authentication control (tacacs) secure sockets layer (ssl) secure shell (ssh) snmp manager the following section will aid the user in configuring security functions for the switch. The switch includes various...

  • Page 128

    Des-3550 fast ethernet layer 2 switch figure 7- 3. User accounts modify table - add add a new user by typing in a user name, and new password and retype the same password in the confirm new password. Choose the level of privilege (admin or user) from the access right drop-down menu. Figure 7- 4. Mod...

  • Page 129

    Des-3550 fast ethernet layer 2 switch factory reset yes no user account management add/update/delete user accounts yes no view user accounts yes no table 7- 1. Admin and user privileges after establishing a user account with admin-level privileges, be sure to save the changes by opening the maintena...

  • Page 130: Policy & Parameters

    Des-3550 fast ethernet layer 2 switch switch will then go to the next technique listed in the server group for authentication, until the authentication has been verified or denied, or the list is exhausted. Please note that users granted access to the switch will be granted normal user privileges on...

  • Page 131

    Des-3550 fast ethernet layer 2 switch figure 7- 6. Application's authentication settings the following parameters can be set: parameter description application lists the configuration applications on the switch. The user may configure the login method list and enable method list for authentication f...

  • Page 132: Authentication Server Hosts

    Des-3550 fast ethernet layer 2 switch figure 7- 7. Authentication server group settings window this screen displays the authentication server groups on the switch. The switch has three built-in authentication server groups that cannot be removed but can be modified. To modify a particular group, cli...

  • Page 133

    Des-3550 fast ethernet layer 2 switch but, remember that tacacs / xtacacs / tacacs+ / radius are separate entities and are not compatible with each other. The maximum supported number of server hosts is 16. To view the following window, click security management > access authentication control > aut...

  • Page 134: Login Method Lists

    Des-3550 fast ethernet layer 2 switch timeout(1-255) enter the time in seconds the switch will wait for the server host to reply to an authentication request. The default value is 5 seconds. Retransmit(1-255) enter the value in the retransmit field to change how many times the device will resend an ...

  • Page 135

    Des-3550 fast ethernet layer 2 switch figure 7- 12. Login method list - edit (default) figure 7- 13. Login method list - add to define a login method list, set the following parameters and click apply: parameter description method list name enter a method list name defined by the user of up to 15 ch...

  • Page 136: Enable Method Lists

    Des-3550 fast ethernet layer 2 switch enable method lists the enable method lists window is used to set up method lists to promote users with user level privileges to administrator (admin) level privileges using authentication methods on the switch. Once a user acquires normal user level privileges ...

  • Page 137: Local Enable Password

    Des-3550 fast ethernet layer 2 switch figure 7- 16. Enable method list - add window to define an enable login method list, set the following parameters and click apply: parameter description method list name enter a method list name defined by the user of up to 15 characters. Method 1, 2, 3, 4 the u...

  • Page 138: Enable Admin

    Des-3550 fast ethernet layer 2 switch figure 7- 17. Configure local enable password window to set the local enable password, set the following parameters and click apply. Parameter description old local enabled if a password was previously configured for this entry, enter it here in order to change ...

  • Page 139: Secure Socket Layer (Ssl)

    Des-3550 fast ethernet layer 2 switch figure 7- 19. Enter network password window secure socket layer (ssl) secure sockets layer or ssl is a security feature that will provide a secure communication path between a host and client through the use of authentication, digital signatures and encryption. ...

  • Page 140: Ciphersuite

    Des-3550 fast ethernet layer 2 switch authentication and digital signatures. Both the server and the client must have consistent certificate files for optimal use of the ssl function. The switch only supports certificate files with .Der file extensions. To view the following window, click configurat...

  • Page 141: Secure Shell (Ssh)

    Des-3550 fast ethernet layer 2 switch figure 7- 21. Ciphersuite window to set up the ssl function on the switch, configure the following parameters and click apply. Parameter description rsa with rc4 128 md5 this ciphersuite combines the rsa key exchange, stream cipher rc4 encryption with 128-bit ke...

  • Page 142: Ssh Configuration

    Des-3550 fast ethernet layer 2 switch the steps required to use the ssh protocol for secure communication between a remote pc (the ssh client) and the switch (the ssh server) are as follows: 1. Create a user account with admin-level access using the user accounts window in the secuirty management fo...

  • Page 143: Ssh Algorithm

    Des-3550 fast ethernet layer 2 switch max session (1-8) enter a value between 1 and 8 to set the number of users that may simultaneously access the switch. The default setting is 8. Time out (120-600) allows the user to set the connection timeout. The use may set a time between 120 and 600 seconds. ...

  • Page 144

    Des-3550 fast ethernet layer 2 switch figure 7- 23. Ssh algorithms window the following algorithms may be set: parameter description encryption algorithm 3des-cbc use the pull-down to enable or disable the triple data encryption standard encryption algorithm with cipher block chaining. The default i...

  • Page 145: Ssh User Authentication

    Des-3550 fast ethernet layer 2 switch encryption algorithm with cipher block chaining. The default is enabled. Arc4 use the pull-down to enable or disable the arcfour encryption algorithm with cipher block chaining. The default is enabled. Cast128-cbc use the pull-down to enable or disable the cast1...

  • Page 146

    Des-3550 fast ethernet layer 2 switch figure 7- 24. Current accounts window in the example screen above, the user account “trinity” has been previously set using the user accounts window in the security management folder. A user account must be set in order to set the parameters for the ssh user. To...

  • Page 147: Snmp Manager

    Des-3550 fast ethernet layer 2 switch note: to set the ssh user authentication parameters on the switch, a user account must be previously configured. For more information on configuring local user accounts on the switch, see the user accounts section of this manual located in this section. Snmp man...

  • Page 148: Snmp User Table

    Des-3550 fast ethernet layer 2 switch the des-3550 incorporates a flexible snmp management for the switching environment. Snmp management can be customized to suit the needs of the networks and the preferences of the network administrator. Use the snmp v3 menus to select the snmp version used for sp...

  • Page 149

    Des-3550 fast ethernet layer 2 switch snmp version v1 - indicates that snmp version 1 is in use. V2 - indicates that snmp version 2 is in use. V3 - indicates that snmp version 3 is in use. Auth-protocol none - indicates that no authorization protocol is in use. Md5 - indicates that the hmac-md5-96 a...

  • Page 150: Snmp View Table

    Des-3550 fast ethernet layer 2 switch des - specifies that des 56-bit encryption is in use, based on the cbc-des (des- 56) standard. This field is only operable when v3 is selected in the snmp version field and the encryption field has been checked. This field will require the user to enter a passwo...

  • Page 151: Snmp Group Table

    Des-3550 fast ethernet layer 2 switch the following parameters can set: parameter description view name type an alphanumeric string of up to 32 characters. This is used to identify the new snmp view being created. Subtree oid type the object identifier (oid) subtree for the view. The oid identifies ...

  • Page 152

    Des-3550 fast ethernet layer 2 switch figure 7- 32. Snmp group table display to add a new entry to the switch's snmp group table, click the add button in the upper left-hand corner of the snmp group table page. This will open the snmp group table configuration page, as shown below. Figure 7- 33. Snm...

  • Page 153

    Des-3550 fast ethernet layer 2 switch improvements in the structure of management information (smi) and adds some security features. Snmpv3 - specifies that the snmp version 3 will be used. Snmpv3 provides secure access to devices through a combination of authentication and encrypting packets over t...

  • Page 154: Snmp Host Table

    Des-3550 fast ethernet layer 2 switch view name type an alphanumeric string of up to 32 characters that is used to identify the group of mib objects that a remote snmp manager is allowed to access on the switch. The view name must exist in the snmp view table. Access right read only - specifies that...

  • Page 155: Snmp Engine Id

    Des-3550 fast ethernet layer 2 switch v2 - to specify that snmp version 2 will be used. V3-noauth-nopriv - to specify that the snmp version 3 will be used, with a noauth-nopriv security level. V3-auth-nopriv - to specify that the snmp version 3 will be used, with an auth- nopriv security level. V3-a...

  • Page 156: Section 8

    Des-3550 fast ethernet layer 2 switch section 8 monitoring port utilization cpu utilization packets errors size mac address switch history log igmp snooping group igmp snooping forwarding vlan status router port port access control layer 3 feature port utilization the port utilization page displays ...

  • Page 157: Cpu Utilization

    Des-3550 fast ethernet layer 2 switch figure 8- 1. Port utilization window the following field can be set: parameter description time interval select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one second. Record number select number of times the switch...

  • Page 158: Packets

    Des-3550 fast ethernet layer 2 switch figure 8- 2. Cpu utilization graph click apply to implement the configured settings. The window will automatically refresh with new updated statistics the information is described as follows: parameter description time interval [1s ] select the desired setting b...

  • Page 159

    Des-3550 fast ethernet layer 2 switch figure 8- 3. Rx packets analysis window (line graph for bytes and packets) to view the received packets table, click the link view table , which will show the following table: 145.

  • Page 160: Umb Cast(Rx)

    Des-3550 fast ethernet layer 2 switch figure 8- 4. Rx packets analysis window (table for bytes and packets) the following fields may be set or viewed: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one secon...

  • Page 161

    Des-3550 fast ethernet layer 2 switch figure 8- 5. Rx packets analysis window (line graph for unicast, multicast, and broadcast packets) to view the umb cast table, click the view table link, which will show the following table: 147.

  • Page 162: Transmitted (Tx)

    Des-3550 fast ethernet layer 2 switch figure 8- 6. Rx packets analysis window (table for unicast, multicast, and broadcast packets) the following fields may be set or viewed: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The de...

  • Page 163

    Des-3550 fast ethernet layer 2 switch figure 8- 7. Tx packets analysis window (line graph for bytes and packets) to view the transmitted (tx) table, click the link view table , which will show the following table: 149.

  • Page 164: Errors

    Des-3550 fast ethernet layer 2 switch figure 8- 8. Tx packets analysis window (table for bytes and packets) the following fields may be set or viewed: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one secon...

  • Page 165: Received (Rx)

    Des-3550 fast ethernet layer 2 switch received (rx) click the received(rx) link in the error folder of the monitoring menu to view the following graph of error packets received on the switch. Figure 8- 9. Rx error analysis window (line graph) to view the received error packets table, click the link ...

  • Page 166

    Des-3550 fast ethernet layer 2 switch figure 8- 10. Rx error analysis window (table) the following fields can be set: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one second. Record number [200] select num...

  • Page 167: Transmitted (Tx)

    Des-3550 fast ethernet layer 2 switch view table clicking this button instructs the switch to display a table rather than a line graph. View line chart clicking this button instructs the switch to display a line graph rather than a table. Transmitted (tx) click the transmitted (tx) link in the error...

  • Page 168

    Des-3550 fast ethernet layer 2 switch figure 8- 12. Tx error analysis window (table) the following fields may be set or viewed: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one second. Record number [200]s...

  • Page 169: Size

    Des-3550 fast ethernet layer 2 switch size the web manager allows packets received by the switch, arranged in six groups and classed by size, to be viewed as either a line graph or a table. Two windows are offered. Figure 8- 13. Rx size analysis window (line graph) to view the packet size analysis t...

  • Page 170

    Des-3550 fast ethernet layer 2 switch figure 8- 14. Rx size analysis window (table) the following fields can be set or viewed: parameter description time interval [1s ] select the desired setting between 1s and 60s, where "s" stands for seconds. The default value is one second. Record number [200] s...

  • Page 171: Mac Address

    Des-3550 fast ethernet layer 2 switch show/hide check whether or not to display 64, 65-127, 128-255, 256-511, 512-1023, and 1024-1518 packets received. Clear clicking this button clears all statistics counters on this window. View table clicking this button instructs the switch to display a table ra...

  • Page 172

    Des-3550 fast ethernet layer 2 switch figure 8- 15. Mac address table the following fields can be viewed or set: parameter description vlan id enter a vlan id for the forwarding table to be browsed by. Mac address enter a mac address for the forwarding table to be browsed by. Find allows the user to...

  • Page 173: Switch History

    Des-3550 fast ethernet layer 2 switch mac address the mac address entered into the address table. Port the port that the mac address above corresponds to. Learned how the switch discovered the mac address. The possible entries are dynamic, self, and static. Next click this button to view the next pa...

  • Page 174: Igmp Snooping Group

    Des-3550 fast ethernet layer 2 switch table displays the last entry (highest sequence number) first. Time displays the time in days, hours, and minutes since the switch was last restarted. Log text displays text describing the event that triggered the history log entry. Igmp snooping group igmp snoo...

  • Page 175: Igmp Snooping Forwarding

    Des-3550 fast ethernet layer 2 switch note: to configure igmp snooping for the des-3550, go to the configuration folder and select igmp. Configuration and other information concerning igmp snooping may be found in section 6 of this manual under igmp. Igmp snooping forwarding this window will display...

  • Page 176: Router Port

    Des-3550 fast ethernet layer 2 switch figure 8- 19. Vlan status window router port this displays which of the switch's ports are currently configured as router ports. A router port configured by a user (using the console or web-based management interfaces) is displayed as a static router port, desig...

  • Page 177: Port Access Control

    Des-3550 fast ethernet layer 2 switch port access control the following windows are used to monitor 802.1x statistics of the switch, on a per port basis. To view the port access control screens, open the monitoring folder and click the port access control folder. There are six windows to monitor. Au...

  • Page 178

    Des-3550 fast ethernet layer 2 switch figure 8- 22. Authenticator state window – mac-based 802.1x this window displays the authenticator state for individual ports on a selected device. To select unit within the switch stack, use the pull-down menu at the top of the window and click apply. A polling...

  • Page 179: Layer 3 Feature

    Des-3550 fast ethernet layer 2 switch backend state the backend authentication state can be request, response, success, fail, timeout, idle, initialize, or n/a. N/a (not available) indicates that the port's authenticator capability is disabled. Port status controlled port status can be authorized, u...

  • Page 180: Section 9

    Des-3550 fast ethernet layer 2 switch section 9 maintenance tftp services switch history ping test save changes reboot services logout tftp services tftp services trivial file transfer protocol (tftp) services allow the switch's firmware to be upgraded by transferring a new firmware file from a tftp...

  • Page 181

    Des-3550 fast ethernet layer 2 switch figure 9- 1. Download/update firmware from tftp server and firmware management window the switch can hold two firmware versions for the user, which can be specified in the type field by clicking the update radio button and selecting the image 1 or image 2. To do...

  • Page 182: Download Configuration File

    Des-3550 fast ethernet layer 2 switch from the ip address of the server from which the firmware came. User the name of the user who downloaded the firmware. Set boot click the apply button in this field to set the firmware version to be used upon the next boot up of the switch. Delete click the in t...

  • Page 183: Ping Test

    Des-3550 fast ethernet layer 2 switch figure 9- 4. Upload log to tftp server window enter the ip address of the tftp server and the path and filename for the history log on the tftp server. Click start to record the ip address of the tftp server and to initiate the file transfer. Ping test ping is a...

  • Page 184: Reset

    Des-3550 fast ethernet layer 2 switch figure 9- 6. Save changes screen click the save configuration button to save the current switch configuration in nv-ram. The following dialog box will confirm that the configuration has been saved: figure 9- 7. Save configuration confirmation click the ok button...

  • Page 185: Reset Config

    Des-3550 fast ethernet layer 2 switch figure 9- 9. Reset system window reset config the reset config option will reset all of the switch's configuration parameters to their factory defaults, without saving these default values to the switch's non-volatile ram. If the switch is reset with this option...

  • Page 186

    Des-3550 fast ethernet layer 2 switch 172.

  • Page 187: Section 10

    Des-3550 fast ethernet layer 2 switch section 10 d-link single ip management single ip management (sim) overview topology firmware upgrade configuration backup/restore single ip management (sim) overview simply put, d-link single ip management is a concept that will stack switches together over ethe...

  • Page 188: Sim Using The Web Interface

    Des-3550 fast ethernet layer 2 switch it is not a cs or ms of another ip group. • • • • • • • • • • • it is connected to the cs through the cs management vlan. 3. Candidate switch(cas) - this is a switch that is ready to join a sim group but is not yet a member of the sim group. The candidate switch...

  • Page 189: Topology

    Des-3550 fast ethernet layer 2 switch figure 10- 2. Sim settings window (enabled) the following parameters can be set: parameters description sim state use the pull down menu to either enable or disable the sim state on the switch. Dis- abled will render all sim functions on the switch inoperable. R...

  • Page 190

    Des-3550 fast ethernet layer 2 switch clicking the here link will setup the java runtime environment on your server and lead you to the topology window, as seen below. Figure 10- 4. Single ip management window-tree view the tree view window holds the following information under the data tab: paramet...

  • Page 191

    Des-3550 fast ethernet layer 2 switch figure 10- 5. Topology view this screen will display how the devices within the single ip management group are connected to other groups and devices. Possible icons in this screen are as follows: icon description icon description group layer 2 commander switch l...

  • Page 192: Tool Tips

    Des-3550 fast ethernet layer 2 switch icon description member switch of other group layer 2 candidate switch layer 3 candidate switch unknown device non-sim devices tool tips in the topology view window, the mouse plays an important role in configuration and in viewing device information. Setting th...

  • Page 193

    Des-3550 fast ethernet layer 2 switch figure 10- 6. Device information utilizing the tool tip setting the mouse cursor over a line between two devices will display the connection speed between the two devices, as shown below. 179.

  • Page 194: Right Click

    Des-3550 fast ethernet layer 2 switch figure 10- 7. Port speed utilizing the tool tip right click right clicking on a device will allow the user to perform various functions, depending on the role of the switch in the sim group and the icon associated with it. Group icon figure 10- 8. Right clicking...

  • Page 195

    Des-3550 fast ethernet layer 2 switch figure 10- 9. Property window commander switch icon figure 10- 10. Right clicking a commander icon the following options may appear for the user to configure: collapse - to collapse the group that will be represented by a single icon. • • • expand - to expand th...

  • Page 196

    Des-3550 fast ethernet layer 2 switch figure 10- 11. Property window member switch icon figure 10- 12. Right clicking a member icon the following options may appear for the user to configure: collapse - to collapse the group that will be represented by a single icon. • • • • • expand - to expand the...

  • Page 197

    Des-3550 fast ethernet layer 2 switch figure 10- 13. Property window candidate switch icon figure 10- 14. Right clicking a candidate icon the following options may appear for the user to configure: collapse - to collapse the group that will be represented by a single icon. • • • expand - to expand t...

  • Page 198: Menu Bar

    Des-3550 fast ethernet layer 2 switch figure 10- 16. Device property window. This window holds the following information: parameter description device name this field will display the device name of the switches in the sim group configured by the user. If no device name is configured by the name, it...

  • Page 199: Firmware Upgrade

    Des-3550 fast ethernet layer 2 switch group add to group - add a candidate to a group. Clicking this option will reveal the following screen for the user to enter a password for authentication from the candidate switch before being added to the sim group. Click ok to enter the password or cancel to ...

  • Page 200

    Des-3550 fast ethernet layer 2 switch figure 10- 19. Firmware upgrade window configuration file backup/restore this screen is used to upgrade configuration files from the commander switch to the member switch. Member switches will be listed in the table and will be specified by port (port on the cs ...

  • Page 201: Appendix A

    Des-3550 fast ethernet layer 2 switch appendix a general standards ieee 802.3u 100base-tx fast ethernet ieee 802.3ab 1000base-t gigabit ethernet ieee 802.1d spanning tree ieee 802.1w rapid spanning tree ieee 802.1 p/q vlan ieee 802.1p priority queues ieee 802.3ad link aggregation control ieee 802.3x...

  • Page 202

    Des-3550 fast ethernet layer 2 switch 1000base-zx mini-gbic single-mode fiber module (80km) sfp transceiver for 1000base-lxsingle-mode fiber module (10km) number of ports 48 10/100/1000 mbps ports 2 1000base-t mini-gbic combo ports performance transmission method store-and-forward packet buffer 16 m...

  • Page 203: Appendix B

    Des-3550 fast ethernet layer 2 switch appendix b cables and connectors when connecting the switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment. The following diagrams and tables show the standard rj-45 receptacle/conn...

  • Page 204: Appendix C

    Des-3550 fast ethernet layer 2 switch appendix c cable lengths use the following table to as a guide for the maximum cable lengths. Standard media type maximum distance mini-gbic 1000base-lx, single-mode fiber module 1000base-sx, multi-mode fiber module 1000base-lhx, single-mode fiber module 1000bas...

  • Page 205: Glossary

    Des-3550 fast ethernet layer 2 switch glossary 1000base-lx: a short laser wavelength on multimode fiber optic cable for a maximum length of 550 meters 1000base-sx: a long wavelength for a "long haul" fiber optic cable for a maximum length of 10 kilometers 100base-fx: 100mbps ethernet implementation ...

  • Page 206

    Des-3550 fast ethernet layer 2 switch ip address: internet protocol address. A unique identifier for a device attached to a network using tcp/ip. The address is written as four octets separated with full-stops (periods), and is made up of a network section, an optional subnet section and a host sect...

  • Page 207

    Des-3550 fast ethernet layer 2 switch udp - user datagram protocol: an internet standard protocol that allows an application program on one device to send a datagram to an application program on another device. Vlan - virtual lan: a group of location- and topology-independent devices that communicat...

  • Page 208

    Des-3550 fast ethernet layer 2 switch offices australia d-link australasia 1 giffnock avenue, north ryde, nsw 2113, sydney, australia tel: 61-2-8899-1800 fax: 61-2-8899-1868 url: www.Dlink.Com.Au belgium d-link belgium rue des colonies 11, b-1000 brussels, belgium tel: 32 (0)2 517 7111 fax: 32 (0)2 ...

  • Page 209

    Des-3550 fast ethernet layer 2 switch finland d-link finland pakkalankuja 7a, 3 rd floor, 01510 vantaa, finland tel: 358-9-2707-5080 fax: 358-9-2707-5081 url: www.Dlink.Fi france d-link france le florilege, no. 2, allée de la fresnerie, 78330 fontenay le fleury, france tel: 33-1-3023-8688 fax: 33-1-...

  • Page 210

    Des-3550 fast ethernet layer 2 switch url: www.Dlink.Ru singapore d-link international 1 international business park, #03-12 the synergy, singapore 609917 tel: 65-6774-6233 fax: 65-6774-6322 url: www.Dlink-intl.Com south africa d-link south africa einstein park ii, block b, 102-106 witch-hazel avenu...

  • Page 211

    Des-3550 fast ethernet layer 2 switch u.S.A. D-link systems, inc. 17595 mt. Herrmann, fountain valley, ca 92708, usa tel: 1-714-885-6000 fax: 1-866-743-4905 url: www.Dlink.Com 197.

  • Page 212

    Des-3550 fast ethernet layer 2 switch warranty and registration information (all countries and regions excluding usa) wichtige sicherheitshinweise 1. Bitte lesen sie sich diese hinweise sorgfältig durch. 2. Heben sie diese anleitung für den spätern gebrauch auf. 3. Vor jedem reinigen ist das gerät v...

  • Page 213

    Des-3550 fast ethernet layer 2 switch limited warranty hardware: d-link warrants each of its hardware products to be free from defects in workmanship and materials under normal use and service for a period commencing on the date of purchase from d-link or its authorized reseller and extending for th...

  • Page 214

    Des-3550 fast ethernet layer 2 switch subject to the terms and conditions set forth herein, d-link systems, inc. (“d-link”) provides this limited warranty for its product only to the person or entity that originally purchased the product from: • d-link or its authorized reseller or distributor and •...

  • Page 215

    Des-3550 fast ethernet layer 2 switch d-link. The repaired or replaced packages will be shipped to the customer via ups ground or any common carrier selected by d- link, with shipping charges prepaid. Expedited shipping is available if shipping charges are prepaid by the customer and upon request. D...

  • Page 216

    Des-3550 fast ethernet layer 2 switch for detailed warranty outside the united states, please contact corresponding local d-link office. Register online your d-link product at http://support.Dlink.Com/register/ 202.

  • Page 217

    Des-3550 fast ethernet layer 2 switch registration card print, type or use block letters. Your name: mr./ms _____________________________________________________________________________ organization: ________________________________________________ dept. ____________________________ your title at or...

  • Page 218

    Des-3550 fast ethernet layer 2 switch 204.