Page 2 - UNITED STATES GOVERNMENT LEGENDS:; For civilian agencies:
3Com Corporation ■ 5400 Bayfront Plaza ■ Santa Clara, California ■ 95052-8154 © 3Com Corporation, 1997. 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) without pe...
Page 5 - Introduction; SuperStack II Switch 2000 TR User Guide; Terminology; Switch
A BOUT T HIS G UIDE Introduction This guide provides the information needed to install and configure the SuperStack II Switch 2000 TR Token Ring-in-Fast Ethernet (TR-in-FE) Module. For more information about the switch itself, see the SuperStack II Switch 2000 TR User Guide . The SuperStack II Switc...
Page 6 - Finding Information in this Guide
2 C HAPTER : A BOUT T HIS G UIDE Finding Information in this Guide The following table shows you where to find spe-cific information within this guide. Conventions Table 1 and Table 2 list icon and text conventions that are used throughout this guide. Task Location Learning features, benefits, and c...
Page 7 - VERVIEW
1 O VERVIEW This chapter describes the major features and benefits of the SuperStack II Switch 2000 TR TR-in-FE Module, including: ■ About the SuperStack II Switch 2000 TR TR-in-FE Module ■ TR-in-FE Benefits ■ Summary of TR-in-FE Module Features About the SuperStack II Switch 2000 TR TR-in-FE Module...
Page 11 - Tunneling
2 TR- IN -FE C ONCEPTS This chapter provides an introduction to Token Ring-in-Fast Ethernet concepts for users who are unfamiliar with this technology. The following sec-tions cover: ■ What is Token Ring-in-Fast Ethernet (TR-in-FE)? ■ TR-in-FE Compared to Traditional Methods ■ 3Com Token Ring-in-Fas...
Page 13 - wrapper
How TR-in-FE Works 2-3 How TR-in-FE Works Figure 2-1 shows a diagram of a basic TR-in-FE sys-tem. The illustration depicts three Switch 2000 TRs interfacing with a Switch 3000 through the Token Ring-in-Fast Ethernet Module. In this example, the Switch 3000 acts as an 800 Mbps point of aggrega-tion f...
Page 15 - This section describes; Requirements; VLAN identification information
Tunneling 2-5 Tunneling This section describes tunneling , the method by which Token Ring frames are encapsulated (embed-ded) within Ethernet frames. Frames are sets of bits that form an elementary block of data to be sent over a communications channel. A frame contains its own control information, ...
Page 16 - User Priority
2-6 C HAPTER 2: TR- IN -FE C ONCEPTS The Tag Header carries a Tag Protocol Identifier (TPID) that identifies the frame as a Tagged Frame. The Header also carries Tag Control Information (TCI), which consists of the following fields: ■ User Priority ■ TR-encap ■ VLAN Identifier (VID) The User Priorit...
Page 17 - What is a VLAN; Department Groups; Advantages of VLAN; firewalled; Port-Based Distribution; sification of an untagged frame is
Virtual LANs (VLANS) 2-7 Virtual LANs (VLANS) What is a VLAN A VLAN is defined as a group of location- and topol-ogy- independent devices that communicate as though they were on the same physical LAN. This means that they are not restricted by the hardware that physically connects them, and segments...
Page 19 - Following Safety Information; Before installing or removing any compo-; Pre-installation Procedure
3 I NSTALLING A ND S ETTING U P T HE M ODULE This chapter includes important safety and configura-tion information, including: ■ Following Safety Information ■ Pre-installation Procedure ■ Installation ■ Post-Installation Checks Following Safety Information WARNING: Before installing or removing any...
Page 20 - Installation; Always follow Electro Static Discharge; For fiber; m and an SCduplex connector.
3-2 C HAPTER 3: I NSTALLING A ND S ETTING U P T HE M ODULE Installation This section explains how to install the TR-in-FE Module into a SuperStack II Switch 2000 TR device. Installation is similar for all devices compatible with the TR-in-FE Module. CAUTION: Always follow Electro Static Discharge (E...
Page 21 - Post-Installation Checks; LED Summary; LEDs on the Switch are described in Table 3-1.
Post-Installation Checks 3-3 Figure 3-1 Installing the TR-in-FE Module Post-Installation Checks This section describes the LEDs and basic checks used to verify your installation, and to ensure that the Switch and TR-in-FE Module operate correctly. LED Summary This section describes the LEDs that pro...
Page 22 - Checking the Power Supply
3-4 C HAPTER 3: I NSTALLING A ND S ETTING U P T HE M ODULE Table 3-1 Front Panel LEDs on the Switch 2000 TR The following table describes the LED functions on the TR-in-FE Module. Table 3-2 LEDs on the TR-in-FE Module Panel Checking the Power Supply Check the MGMT LED on the Switch. If the MGMT LED ...
Page 23 - Contact 3Com Technical Support.; Checking the Physical Connections; Ensure that the fiber connection is not broken.
Post-Installation Checks 3-5 a Check that the power supply is plugged into the device using a power outlet that is known to be working or that the RPS is powered. b Check that the main power supply switch on the wall is set to the ON position. c Check and, if necessary, change the fuse on the Switch...
Page 24 - in; Jumper Settings
3-6 C HAPTER 3: I NSTALLING A ND S ETTING U P T HE M ODULE h Check that your cable meets Fast Ethernet specifi-cations. See Appendix C. i Replace the cable, and check the Link Status LED again. j Contact 3Com Technical Support; see “Support from 3Com”, in Appendix D . Jumper Settings The Module can ...
Page 25 - Console Menu Map; Choice Field
4 A CCESSING M ANAGEMENT F EATURES The menu-driven user interface built into the device is known as the VT100 or Local Management interface. The VT100 management interface has a forms-based structure with pre-defined security levels, enabling access to be restricted to particular users. This chapter...
Page 26 - Button; List Boxes; Key Board Shortcuts
4-2 C HAPTER 4: A CCESSING M ANAGEMENT F EATURES Text enclosed in square brackets on the screen indi-cates a text entry field. This field may be text, numeric data, or hexadecimal data. Password fields are hidden; the text you type is not shown on the screen. In some cases an Entry field has a defau...
Page 27 - Default Users; provides a map of available I/O Module; Default Name
Console Menu Map 4-3 and deletes a character. To delete more than one character, press the key once for each character. Check carefully before using the Control keys. If you are using Telnet or a terminal emulation program you may find that some Control keys do not work the same or that they control...
Page 29 - The LCD Console; Module Type; Module State; —current version of hardware
The LCD Console 4-5 The LCD Console The SuperStack II Switch 2000 TR has an LCD console located on the front panel. Use this console for read-ing and setting the Switch and module parameters. Refer to the “SuperStack II Switch 2000 TR User Guide” for a menu map and for specific information and uses ...
Page 30 - Logging On; stop bit; User Name
4-6 C HAPTER 4: A CCESSING M ANAGEMENT F EATURES Logging On 1 Connect your terminal to the Console port on the rear panel of the Switch 2000 TR using a cross-over cable for a serial line connection. Refer to the Switch 2000 TR User Guide for more information. The Console port automatically detects t...
Page 31 - Select task or logoff.; Logging Off; Automatic Logout
Logging Off 4-7 When you have logged on, the Main Menu screen displays, as shown in Figure 4-4. 5 Select task or logoff. Figure 4-4 Main Screen Logging Off If you accessed the facility using a Telnet session or modem, the connection closes automatically. If not: 1 Select the LOGOFF option from the b...
Page 33 - Setting Up a Module
5 C ONFIGURING T HE TR- IN -FE M ODULE This chapter describes how to configure the TR-in-FE Module, including: ■ TR-in-FE Module Configuration Map ■ Setting Up a Module ■ Setting Up a VLAN Figure 5-1 shows the TR-in-FE Configuration Menu Map. TR-in-FE Module Configuration Map The following map displ...
Page 34 - If you need to change the value of any of
5-2 C HAPTER 5: C ONFIGURING T HE TR- IN -FE M ODULE Setting Up a Module The Module Configuration Screen displays the set-tings used by the TR-in-FE Module to communicate with other devices on the network. It is unlikely that you will need to change the value of these settings once they have been se...
Page 35 - Bridge Parameters
Setting Up a Module 5-3 The following fields are shown on the screen: Unit ID —Identifies the currently selected Switch unit. Port ID —Displays the current module type. It should read TIF. Admin. State —This field allows you to *Enable* or *Disable* the TR-in-FE port. Internal Priority —This field a...
Page 36 - It is always recommended that, in the case of
5-4 C HAPTER 5: C ONFIGURING T HE TR- IN -FE M ODULE Ports with a lower value have a higher priority and will be blocked only after ports with a higher value and a lower priority have been blocked. ■ Path Cost —Path cost determines the amount of overhead required to forward packets to the root throu...
Page 37 - Setting Up a VLAN; TR VLAN Info Setup Screen; Included in this screen are the following fields:; VLAN Name; —Name assigned to identify each (up; TR VLAN Setup Screen
Setting Up a VLAN 5-5 Setting Up a VLAN This section describes how to extend VLANs into the TR-in-FE network. A TR-in-FE port can be in one or more (up to 16) VLANs. TR VLAN Info Setup Screen To set up a TR-in-FE VLAN, proceed as follows from the main menu: 1 Use the [Space Bar] to scroll to VLAN. 2...
Page 39 - Statistics Overview
6 M ONITORING T HE TR- IN -FE M ODULE This chapter describes how to monitor the status and performance of your TR-in-FE Module and explains the meaning of the statistics. ■ TR-in-FE Module Statistics Map ■ Statistics Overview ■ Port Statistics (Traffic) TR-in-FE Module Statistics Map Figure 6-1 show...
Page 40 - Identifies the currently selected unit.
6-2 C HAPTER 6: M ONITORING T HE TR- IN -FE M ODULE Statistics Overview The TR Port Statistics screen provides a top level sum-mary of TR-in-FE Port statistics. You can use the sum-mary to estimate the amount of traffic on your network backbone, and to check the health of the incoming connection. To...
Page 42 - Clearing Screen Counters
6-4 C HAPTER 6: M ONITORING T HE TR- IN -FE M ODULE Frames Received —The total number of frames that have been received by the port including frames with errors. Frames Transmitted —The total number of frames transmitted by the port, including frames with errors. Multicasts Frames —The number of fra...
Page 43 - Important Safety Information; Warnings contain directions that you; L’information de Sécurité Importante; Les avertissements contiennent
A S AFETY I NFORMATION You must read the following safety information before carrying out any component installation or removal, or any maintenance procedures. This information should be read in conjunction with the safety information supplied with the Switch. Important Safety Information WARNING: W...
Page 44 - Ne pas enlever le Module Down-; Wichtige Sicherheitsinformationen; WARNUNG
A-2 A PPENDIX A: S AFETY I NFORMATION Fibre TX et les cables fibre ne soient jamais regardés quand l’unité est allumé. ADVERTISSEMENT: Ne pas enlever le Module Down- link ou la plaque d'occultation de module d'émetteur-récepteur avec le courant encore branché. Wichtige Sicherheitsinformationen WARNU...
Page 45 - Screen
B S CREEN A CCESS R IGHTS This appendix lists the security access level for access-ing the TR-in-FE Module local management screens, and lists the type of action performed for each secu-rity level. This appendix only covers screens specifically associ-ated with TR-in-FE functionality. See the user g...
Page 47 - Environmental Specifications; See the following table for cable specifications:; Environmental Requirements
C TR- IN -FE M ODULE T ECHNICAL S PECIFICATIONS Environmental Specifications TR-in-FE Cable Specification The TR-in-FE cable you connect to the TR-in-FE Module must conform to the Multi-Mode Fiber (MMF-PMD) standard defined by ANSI x.3-166-1992. 3Com supports multi-mode fiber (MMF-PMD) 62.5/125 mm f...
Page 48 - If you are using fiber with a diameter of 50; Does the Cable Provide Sufficient Bandwidth?; Example; Numerical Aperture
C-2 A PPENDIX C: TR- IN -FE M ODULE T ECHNICAL S PECIFICATIONS Maximum attenuation includes attenuation and the loss induced by other components such as connec-tors, splices, and the mating of unlike fiber types. Although some 2 km (1.25 miles) cables have a total attenuation of less than 11.0 dB, t...
Page 51 - Online Technical Services; World Wide Web site; automated fax service; Com Bulletin Board Service; Access by Modem; World Wide Web Site
D T ECHNICAL S UPPORT Online Technical Services 3Com offers worldwide product support seven days a week, 24 hours a day, through the following online systems: ■ 3Com Bulletin Board Service (3ComBBS) ■ World Wide Web site ■ 3ComForum on CompuServe® ■ 3ComFacts SM automated fax service 3Com Bulletin B...
Page 52 - ComForum on CompuServe; Log on to CompuServe.; go threecom; ComFacts Automated Fax Service; Support from Your Network Supplier; Diagnostic error messages; Country
D-2 A PPENDIX D: T ECHNICAL S UPPORT This service features news and information about 3Com products, customer service and support, 3Com’s latest news releases, selected articles from 3TECH ™ (3Com’s award-winning technical journal) and more. 3ComForum on CompuServe 3ComForum is a CompuServe-based se...
Page 53 - Support from 3Com
Support from 3Com D-3 If you are unable to contact your network supplier, see the following section on how to contact 3Com. Support from 3Com If you are unable to receive support from your net-work supplier, technical support contracts are avail-able from 3Com. In the U.S. and Canada, call (800) 876...
Page 55 - Numbers
1 Numbers 3Com Bulletin Board Service (3ComBBS) D-13Com sales offices D-33ComFacts D-23ComForum D-2 A Automatic logout 4-7 B Bandwidth Calculation C-1 Blocking, description of 6-2BRIDGE SETUP Setting Bridge Parameters 5-3 Broadcast Frame Bandwidth, description of 6-3 Bulletin board service D-1 C Cab...
Page 57 - Com Corporation
3Com Corporation L IMITED W ARRANTY F o r p u r p o s e s o f t h i s w a r r a n t y , t h e S u p e r S t a c k I I S w i t c h 2 0 0 0 T R To k e n Ring-in-Fast Ethernet Module is considered a(n) Internetworking product . H ARDWARE 3Com warrants its hardware products to be free from defects in wo...