3com TR User Manual

® http://www.3com.com/ S UPER S TACK II ™ S WITCH 2000 TRU SER G UIDE Version 4.0 Part No. 99032Published October 1997

2 A BOUT T HIS G UIDE Related Publications Within the Switch 2000 TR document set: Switch 2000 TR Quick Reference Guide. (Part Number #99033) S

7-2 CHAPTER 7: VIRTUAL LANSBenefits of VLANsImplementing VLANs on your network has three main advantages: It eases the change and movement of devices

VLANs and the Switch 2000 TR 7-3Figure 7-1 The concept of VLANsVLANs and the Switch 2000 TRThe Switch 2000 TR supports VLANs which consist of a set

7-4 CHAPTER 7: VIRTUAL LANSConnecting Common VLANs Between Switch UnitsIn the Switch 2000 TR, you typically connect VLANs to other Switch 2000 TRs and

VLANs and the Switch 2000 TR 7-5Figure 7-2 VLAN configuration with a single Switch 2000 TR unitVLAN 1VLAN 2Switch 2000 TRConnectionfor VLAN 1Connect

7-6 CHAPTER 7: VIRTUAL LANS

ASOFTWARE UPGRADE UTILITYThe SuperStack II Switch 2000 TR has a back-up Software Upgrade Utility that allows you to: Download a new software image if

A-2 APPENDIX A: SOFTWARE UPGRADE UTILITYLLists the current settings of the Switch 2000 TR and pro-vides a status report for the previous download atte

Using the Commands A-3Using the CommandsThe following sections tell you how to use the Soft-ware Upgrade Utility screen.If you enter the Software Upgr

A-4 APPENDIX A: SOFTWARE UPGRADE UTILITYStatus MessagesThe Software Upgrade utility reports the status of the last download attempt. It reports error

BSCREEN ACCESS RIGHTSThe table in this appendix specifies which level of users can view and usually edit (write). Access rights allow users to view and

1 O VERVIEW This chapter describes the major features, compo-nents, and concepts of the Switch 2000 TR, including: About the SuperStack™ II Switch

B-2 APPENDIX B: SCREEN ACCESS RIGHTSStatus Monitor ManagerSecurityFault Log Monitor ManagerSecuritySetup Monitor read-onlyManagerSecuritySerial Port S

CSERIAL PORT CABLE PIN-OUTSNull Modem Cable9 pin to RS-232 25 pin. Pin numbers that are under-lined are different. All other pin designations are stra

C-2 APPENDIX C: SERIAL PORT CABLE PIN-OUTS

DTROUBLESHOOTINGTroubleshooting ProceduresThis appendix lists potential problems you might see when managing the Switch 2000 TR and includes suggested

D-2 APPENDIX D: TROUBLESHOOTINGThe SNMP manager or Telnet workstation can no longer access the device:Check that Remote Telnet access or Commu-nity-SN

ESWITCH 2000 TR TECHNICAL SPECIFICATIONSPhysical Dimensions Height: 2.75 inches (7.0 cm) x Width: 17.25 inches (44cm) x Depth 12 inches (30.5 cm)Weig

E-2 APPENDIX E: SWITCH 2000 TR TECHNICAL SPECIFICATIONSSpecifications for Module OptionsIf you have an ATM, FDDI, or TR-in-FE module, see the following

FTECHNICAL SUPPORT3Com provides easy access to technical support infor-mation through a variety of services. This appendix describes these services.In

F-2 APPENDIX F: TECHNICAL SUPPORTAccess by Digital ModemISDN users can dial in to 3ComBBS using a digital modem for fast access up to 56 Kbps. To acce

Support from Your Network Supplier F-33ComForum on CompuServe Online Service3ComForum contains patches, software, drivers, and technical articles abou

1-2 CHAPTER 1: OVERVIEW Port population—High density port population relieves traffic congestion and supports 4 and 16 Mbps data rates. In addition, t

F-4 APPENDIX F: TECHNICAL SUPPORTReturning Products for RepairBefore you send a product directly to 3Com for repair, you must first obtain a Return Mat

1INDEXNumbers3Com Bulletin Board Service (3ComBBS) F-13Com sales offices F-33Com URL F-13ComFacts F-23ComForum F-3AAdministrative SettingsCRE

2LLCD Console 3-15LCD Display Buttonsdescription of 1-7LCD Statistics 6-10Learning, description of 6-3Link StateviewingLCD Console 5-3Listen

3Reset Button Reset 3-22VT100 Reset 3-21returning products for repair F-4RJ-45 Ports, description of 1-6Roving Analysis, description of 1-3S

4VVirtual LAN Trunks. See VLTsVLAN Setup screen 4-12VLAN Support, description of 1-2VLANsassigning ports 4-13Default 4-13, 7-3extending into a

3Com Corporation LIMITED WARRANTYThe duration of the warranty for the SuperStack II Switch 2000 TR, is n years.HARDWARE3Com warrants its hardware prod

warranty gives you specific legal rights which may vary depending on local law.3Com Corporation, 5400 Bayfront Plaza, Santa Clara, CA 95052-8145 (408)

Summary of Features 1-3 Roving Analysis—The Roving Analysis Port (RAP) feature allows you to configure the SuperStack II Switch 2000 TR to capture and

1-4 CHAPTER 1: OVERVIEW SNMP over IP SNMP MIB II Bridge MIB SR Bridge MIB BOOTP Switch 2000 TR Private (3Com Private) Part of SuperStack™ II ar

Ring Segmentation 1-5Ring SegmentationHigh-speed switches offer a more efficient solution over 2-port PC bridges or routers. As illustrated below, segm

1-6 CHAPTER 1: OVERVIEWThe Front PanelThis section describes the front panel components and LEDs of the SuperStack II Switch 2000 TR. Figure 1-3 shows

The Front Panel 1-7RJ-45 Ports12 RJ-45 ports support unshielded Twisted Pair (UTP) or Shielded Twisted Pair cabling (STP) at 4 Mbps or 16 Mbps wire sp

1-8 CHAPTER 1: OVERVIEWThe Rear PanelThis section describes the rear panel components of the Switch 2000 TR. Figure 1-5 shows the rear panel.Figure 1-

Optional Slide-In Modules 1-9Power SocketThe Switch 2000 TR automatically adjusts to the supply voltage. The fuse is suitable for both 110 AC and 220-

3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 © 3Com Corporation, 1997. All rights reserved. No part of

1-10 CHAPTER 1: OVERVIEWto run each of these bandwidth-intensive applications across networks.The primary benefits of ATM include: ATM is a cell-based

Optional Slide-In Modules 1-11Benefits of FDDIFiber Distributed Data Interface (FDDI) is a 100-Mbps fiber optic local area network standard supported by

1-12 CHAPTER 1: OVERVIEW Manageability Simple to configure and administerTR-in-FE allows both Token Ring and Ethernet to share the same Fast Ethernet

Migrating to High-speed Technologies 1-13Migrating to High-speed TechnologiesManagers want to migrate to FDDI, ATM, or TR-in-FE easily. Using Switch 2

1-14 CHAPTER 1: OVERVIEWHigh-speed Cascade ConnectorsThese connectors provide a high-speed cascade con-nection between Switch 2000 TRs in a stack. You

Token Ring Switching Concepts 1-15the destination ring station. A route is simply the path a packet takes through a source route bridged net-work from

1-16 CHAPTER 1: OVERVIEWtable, a switch knows which port must be used to reach each known MAC address. Every time a switch receives a packet, it exami

Token Ring Switching Concepts 1-17can use any path in the network. ARE packets are flooded through all bridges onto all rings. This creates multiple co

1-18 CHAPTER 1: OVERVIEWCut-thru mode. The default mode for the Switch 2000 TR is Dynamic Cut-thru.VLANsA VLAN is defined as a group of location- and t

2GETTING STARTEDThis chapter describes the installation and setup pro-cedures for the Switch 2000 TR: Important Safety Information Positioning the S

C ONTENTS A BOUT T HIS G UIDE Introduction 1How to Use This Guide 1Conventions 1Related Publications 2 1 O VERVIEW About the SuperS

2-2 CHAPTER 2: GETTING STARTED If the power supply plug is unsuitable and you must replace it, refer to the following specifica-tions: Brown wire to

Installing the Slide-in Modules 2-3Configuration GuidelinesThe cable topology rules for Token Ring are shown below:Power Supply and FuseThe Switch 2000

2-4 CHAPTER 2: GETTING STARTEDCAUTION: Always follow Electrostatic Discharge (ESD) procedures when installing an I/O Module.1 If the Switch is connect

Installing the Switch 2000 TR 2-5Installing the Switch 2000 TRRack MountingThe Switch 2000 TR fits a standard 19-inch data com-munications rack typical

2-6 CHAPTER 2: GETTING STARTEDConnecting Redundant Power SystemTo install an RPS, proceed as follows:1 Power down by disconnecting the AC power cord o

Device Defaults 2-7Table 2-3 Stack DefaultsTable 2-4 Workgroup DefaultsTable 2-5 Bridge Defaults Speed 16 MbpsForwarding Mode Cut-throughDynam

2-8 CHAPTER 2: GETTING STARTED

3SETTING UP FOR MANAGEMENTThis chapter describes background information for configuration and the procedures for initial setup of the SuperStack II Swi

3-2 CHAPTER 3: SETTING UP FOR MANAGEMENTTable 3-1 Switch 2000 TR Management OptionsVT100 Management InterfaceThe menu-driven interface for the Switc

Configuring Switch 2000 TR in Stack 3-3Configuring Switch 2000 TR in StackHead UnitOne of the unique characteristics of the Switch 2000 TR is its abilit

Configuration Guidelines 2-3Power Supply and Fuse 2-3Replacing the Fuse 2-3Installing the Slide-in Modules 2-3Installing the Switch 20

3-4 CHAPTER 3: SETTING UP FOR MANAGEMENTManaging over the NetworkAny network manager application running Simple Network Management Protocol (SNMP) can

Management Prerequisites 3-51-800-444-4345, 1-619-455-4600, 1-703-742-4777 In EuropeRIPE NCCKruislaan 409NL-1098 SJAmsterdamThe NetherlandsTelephone

3-6 CHAPTER 3: SETTING UP FOR MANAGEMENTSource Routing PrerequisitesIf you plan to operate the Switch 2000 TR in a source routing environment, you nee

Switch 2000 TR Management Consoles 3-7[Down Arrow] or [Return] to move to the next field. Refer to “Switch 2000 TR VT100 Console Interface Menu Map”.En

3-8 CHAPTER 3: SETTING UP FOR MANAGEMENT [Ctrl] + [N]—Moves to the next screen after imple-menting current screen settings. [Ctrl] + [K]—Displays li

VT100 Console Menu Map 3-9VT100 Console Menu MapFigure 3-4 displays the menu structure for the Switch 2000 TR VT100 console interface.Figure 3-4 Swi

3-10 CHAPTER 3: SETTING UP FOR MANAGEMENTSetting Up the VT100 Console This section provides instructions for setting up the VT100 console for local or

Setting Up the VT100 Console 3-11Figure 3-8 Switch 2000 TR Management Setup Screen7 Fill in the following fields: Device IP Address Device Subnet M

3-12 CHAPTER 3: SETTING UP FOR MANAGEMENTWork Group ID The workgroup number for purposes of manage-ment. Management is only part of a single work-grou

The LCD Console 3-13The LCD Console This section describes the LCD Console. The LCD Console allows you to enter specific configuration parameters and ob

4 C ONFIGURING WITH THE VT100 I NTERFACE Quick Setup 4-2Bridge Configuration 4-3Setting Source Routing Transparent (VT100) 4-3Setting

3-14 CHAPTER 3: SETTING UP FOR MANAGEMENTLCD Console Menu MapFigure 3-10 displays the menu structure for the LCD console interface on the front panel

Setting Up the LCD Console 3-15Setting Up the LCD ConsoleThis section provides instructions for setting up the LCD console for local or remote managem

3-16 CHAPTER 3: SETTING UP FOR MANAGEMENT10 Press [Enter].A blank decimal notation appears in the Default Router field.11 Enter the Default Router addr

Setting Up BOOTP 3-17Figure 3-12 Stack Setup Screen (BootP Setup)5 (Optional) Enter a sysname for the stack.6 Toggle the [Space Bar] to Enable or Di

3-18 CHAPTER 3: SETTING UP FOR MANAGEMENTAuto LogoutThe Switch 2000 TR has a built-in auto logout feature which disables the VT100 interface after app

Upgrading Software 3-19Upgrading SoftwareThe Software Upgrade feature allows you to down-load new software images using TFTP running over UDP/IP. When

3-20 CHAPTER 3: SETTING UP FOR MANAGEMENTscreen locks. When the download completes, the Switch 2000 TR automatically resets and re-boots with the new

Resetting the Switch 2000 TR 3-21Resetting the Switch 2000 TRThis section provides instructions for resetting the Switch 2000 TR.Because some configura

3-22 CHAPTER 3: SETTING UP FOR MANAGEMENTReset Button The Switch 2000 TR has a reset button on the rear panel of the unit. See Figure 3-16.To reset th

4CONFIGURING WITH THE VT100 INTERFACEThe VT100 console is accessed via the serial console and provides access to all configuration, manage-ment, and mo

5 C ONFIGURING WITH THE LCD C ONSOLE Unit Configuration 5-1Bridge Configuration 5-2Port Configuration 5-3Setting Port ID 5-3Viewing

4-2 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEQuick SetupThe Quick Setup option provides direct access to the Bridge Setup and TR Port Setup scre

Bridge Configuration 4-3Bridge ConfigurationThe bridge configuration section includes information on the following: Source Routing Transparent (SRT) So

4-4 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACE13 At the bottom of the TR Port Setup screen, select BRIDGE. The Port Bridge Setup screen appears.

Bridge Configuration 4-55In the Spanning Tree field, select *802.1d* to enable 802.1d compliant Spanning Tree for the Switch 2000 TR. The BPDU value is

4-6 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEPort ConfigurationThe Port configuration section includes directions for configuring ports of the Swit

Port Configuration 4-7identified by their VLAN ID. All ports are configured by default to VLAN 1.1 Set this field by entering the desired VLAN number for

4-8 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEring ahead in the queue. The frame that has been buffered for the busy or down queue is discarded s

Port Configuration 4-9To set a Locally Administered Address, take these steps in the Locally Admin. field:1 Enter address in hexadecimal.This should be

4-10 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEPort Bridge ConfigurationSet the Spanning Tree and Source Routing fields for the Port using the Brid

I/O Module Configuration 4-11 Forced— Indicates that the port will always accept and propagate STE packets. Auto-Span—Indicates that the port will ac

F T ECHNICAL S UPPORT Online Technical Services F-1World Wide Web Site F-13Com Bulletin Board Service F-1Access by Analog Modem F-1A

4-12 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACESetting sysNameThe sysName field allows you to assign an identifying name to the stack. This name i

VLAN Configuration 4-13 ATM—The port is an ATM OC-3c Module port. For more information, see the SuperStack II Switch ATM OC-3c Module User Guide. VLA

4-14 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEUnit ConfigurationUnit configuration allows you to view these unit parameters: Unit ID Unit Name

Administrative Configuration 4-15Power On Self TestUse this field to specify the type of self-test to run at start-up: Normal—A 10 second test that ver

4-16 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACE EDIT USER—Allows you to change your password and community. You cannot change other pass-words o

Administrative Configuration 4-173Select OK when you are finished filling in the fields.Creating New UsersFollow these steps to create new users and assig

4-18 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACE2 Scroll using the [Down Arrow] until you highlight the user you want to delete. You cannot delete

About the Switch Database (SDB) 4-19About the Switch Database (SDB)The Switch 2000 TR supports a database of transpar-ent addresses received on its lo

4-20 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACESwitch Database ConfigurationThe Switch 2000 TR Unit Database View screen allows you to set up, mai

SNMP Trap Configuration 4-21 REFRESH—Command allows you to refresh the database and display the latest address entries. INSERT—Command allows you to

4-22 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEFigure 4-19 TR Trap Setup ScreenThe TR Trap Setup screen has these fields: IP Address—Enter the

Serial Port Configuration 4-23minal’s serial port parameters match those on the Switch 2000 TR. This allows you to continue to access the management fa

4-24 CHAPTER 4: CONFIGURING WITH THE VT100 INTERFACEInitializing the Switch 2000 TRThe Switch 2000 TR VT100 interface allows you to initialize the non

5CONFIGURING WITH THE LCD CONSOLE This chapter describes the Switch 2000 TR LCD Con-sole management facilities and provides procedures for configuring

5-2 CHAPTER 5: CONFIGURING WITH THE LCD CONSOLEBridge ConfigurationBridge settings can be made using the LCD console. If you have made settings using t

Port Configuration 5-3Port ConfigurationPort parameters can also be set from the LCD console on the Switch 2000 TR front panel. If you have made setting

5-4 CHAPTER 5: CONFIGURING WITH THE LCD CONSOLE4 Press [Down Arrow] until Port # >Link State appears.5 Press [Enter].Link State # >[state] appea

I/O Module Configuration 5-5Setting Port Personality Ports 1 through 4 can each be configured as either “Hub Port” or “Adapter Port.” The Adapter mode i

5-6 CHAPTER 5: CONFIGURING WITH THE LCD CONSOLEFigure 5-2 I/O Module LCD Menus1 To view the next level, press [Enter].2 Press the [Down Arrow] until

6MONITORING THE SWITCH 2000 TRThis chapter provides information on viewing the cur-rent operating status of the Switch 2000 TR, display-ing errors usi

A BOUT T HIS G UIDE Introduction This guide provides the information you need to install and configure the SuperStack II™ Switch 2000 TR (3C510600)

6-2 CHAPTER 6: MONITORING THE SWITCH 2000 TRUnit StatisticsNOTE:The Unit Statistics screen provides an easy method for viewing per-port performance. I

Port Statistics 6-3Port StatisticsThe TR Port Statistics screen provides an easy method for viewing individual port performance. See Figure 6-3. TR Po

6-4 CHAPTER 6: MONITORING THE SWITCH 2000 TRCurrent Utilization—The percentage of bandwidth usage for the port you are currently viewing. This value i

Port Statistics 6-5directed to a broadcast address or frames received with errors.Broadcasts Received—The number of frames received that have a broadc

6-6 CHAPTER 6: MONITORING THE SWITCH 2000 TRStack StatusThe Stack Status screen provides easy access to the vital statistics associated with a stack.

Status 6-7StatusThe Status screen provides read-only information about the Switch 2000 TR. Information provided on this screen is especially useful fo

6-8 CHAPTER 6: MONITORING THE SWITCH 2000 TRFault LogThe Fault Log displays read-only information about the Switch 2000 TR. The Fault Log updates when

Remote Polling (PING) 6-9Remote Polling (PING)The Remote Poll screen allows you to send a single frame to a remote device. Use this feature to verify

6-10 CHAPTER 6: MONITORING THE SWITCH 2000 TRLCD StatusThe LCD console located on the front panel of the Switch 2000 TR provides useful hardware, soft

7VIRTUAL LANSThis chapter provides information on Virtual Local Area Networks (VLANs). Definitions, benefits, sample configurations and concepts of VLANs