3Com TR User manual

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

3Com Corporation
■
5400 Bayfront Plaza
■
Santa Clara, California
■
95052-8145
© 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 permission from 3Com Corporation.
3Com Corporation reserves the right to revise this documentation and to
make changes in content from time to time without obligation on the part
of 3Com Corporation to provide notification of such revision or change.
3Com Corporation provides this documentation without warranty of any
kind, either implied or expressed, including, but not limited to, the implied
warranties of merchantability and fitness for a particular purpose. 3Com
may make improvements or changes in the product(s) and/or the
program(s) described in this documentation at any time.
UNITED STATES GOVERNMENT LEGENDS:
If you are a United States government agency, then this documentation
and the software described herein are provided to you subject to the
following restricted rights:
For units of the Department of Defense:
Restricted Rights Legend: Use, duplication or disclosure by the
Government is subject to restrictions as set forth in subparagraph (c) (1) (ii)
for restricted Rights in Technical Data and Computer Software clause at 48
C.F.R. 52.227-7013. 3Com Corporation, 3Com Corporation, 5400
Bayfront Plaza, Santa Clara, California 95052-8145.
For civilian agencies:
Restricted Rights Legend: Use, reproduction or disclosure is subject to
restrictions set forth in subparagraph (a) through (d) of the Commercial
Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and
the limitations set forth in 3Com Corporation’s standard commercial
agreement for the software. Unpublished rights reserved under the
copyright laws of the United States.
If there is any software on removable media described in this
documentation, it is furnished under a license agreement included with the
product as a separate document, in the hard copy documentation, or on
the removable media in a directory file named LICENSE.TXT. If you are
unable to locate a copy, please contact 3Com and a copy will be provided
to you.
3Com, AccessBuilder, Boundary Routing, CardFacts, LanScanner,
LinkBuilder, NETBuilder, NETBuilder II, NetFacts, Parallel Tasking,
ViewBuilder, EtherDisk, EtherLink, EtherLink Plus, EtherLink II, SmartAgent,
TokenLink, TokenLink Plus, TokenDisk and Transcend are registered
trademarks of 3Com Corporation. 3TECH, CacheCard, FDDILink, FMS,
NetProbe, Star-Tek, SuperStack II are registered trademarks of 3Com
Corporation. 3ComFacts, Ask3Com, and CardBoard are service marks of
3Com Corporation.
CompuServe is a registered trademark of CompuServe, Inc.
Other brand and product names may be registered trademarks or
trademarks of their respective holders.
This guide was written, illustrated, and produced by Chris Flisher.

C
ONTENTS
A BOUT T HIS G UIDE
Introduction 1
How to Use This Guide 1
Conventions 1
Related Publications 2
1 O VERVIEW
About the SuperStack
™
II Switch 2000 TR 1-1
System Benefits 1-1
System Features 1-2
Summary of Features 1-3
Typical Applications of Token Ring Switching 1-4
Ring Segmentation 1-5
The Front Panel 1-6
RJ-45 Ports 1-7
Front Panel LEDs 1-7
LCD Display Buttons 1-7
The Rear Panel 1-8
Power Socket 1-9
Serial Number 1-9
Redundant Power System Connector 1-9
Reset Button 1-9
Console Port 1-9
Optional Slide-In Modules 1-9
The ATM Module 1-9
Benefits of an ATM 1-9
Summary of ATM Features 1-10
The FDDI Module 1-10
Benefits of FDDI 1-11
Summary of FDDI Module Features 1-11
The Token Ring-in-Fast Ethernet (TR-in-FE) Module 1-11
Benefits of TR-in-FE 1-11
Summary of TR-in-FE Module Features 1-12
Migrating to High-speed Technologies 1-13
High-speed Cascade Connectors 1-14
Token Ring Switching Concepts 1-14
Why Token Ring Switching? 1-14
Source Route Bridging (SRT) 1-14
Transparent Bridging (TP) 1-15
Bridge Table 1-15
Source Route Transparent Bridging 1-16
Spanning Tree 1-16
802.1d Spanning Tree 1-16
IBM Spanning Tree 1-16
Congestion Control 1-17
Forwarding Modes 1-17
VLANs 1-18
Advantages of VLAN 1-18
2 G ETTING S TARTED
Important Safety Information 2-1
Positioning the Switch 2000 TR 2-2
Considerations for Placement 2-2

Configuration Guidelines 2-3
Power Supply and Fuse 2-3
Replacing the Fuse 2-3
Installing the Slide-in Modules 2-3
Installing the Switch 2000 TR 2-5
Rack Mounting 2-5
Wall Mounting 2-5
Stack Mounting 2-5
Connecting Redundant Power System 2-6
Connecting to the Serial Port 2-6
Connecting a VT100 Terminal 2-6
Device Defaults 2-6
3 S ETTING U P FOR M ANAGEMENT
Switch 2000 TR Management Options 3-1
VT100 Management Interface 3-2
Via the Serial Port 3-2
Via an IP Network Connection 3-2
Configuring Switch 2000 TR in Stack 3-3
Head Unit 3-3
Cascade Connections 3-3
Managing over the Network 3-4
IP Addresses 3-4
Operating IP in a Closed Network 3-4
Obtaining Network Addresses 3-4
Management Prerequisites 3-5
Source Routing Prerequisites 3-6
Switch 2000 TR Management Consoles 3-6
The VT100 Console 3-6
Choice Field 3-6
Entry Field 3-7
Button 3-7
List Boxes 3-7
Key Board Shortcuts 3-7
Correcting Text Entries 3-8
Default Users 3-8
VT100 Console Menu Map 3-9
Setting Up the VT100 Console 3-10
Switch 2000 TR Management Setup Fields 3-11
MAC Address 3-11
Locally Admin Address 3-11
Work Group ID 3-12
Device IP Address 3-12
Device SubNet Mask 3-12
Default Router 3-12
SETUP TRAPS 3-12
SERIAL PORT 3-12
The LCD Console 3-13
LCD Console Buttons 3-13
Enter 3-13
Left Arrow 3-13
Right Arrow 3-13
Up Arrow 3-13
Down Arrow 3-13
LCD Console Menu Map 3-14
Setting Up the LCD Console 3-15
IP Address Setup 3-15
Setting Up BOOTP 3-16
Auto Logout 3-18
Upgrading Software 3-19
Upgrading Module Software 3-20
Resetting the Switch 2000 TR 3-21
VT100 Console Reset 3-21
LCD Console Reset 3-21
Reset Button 3-22
Power Cycle Reset 3-22

4 C ONFIGURING WITH THE VT100 I NTERFACE
Quick Setup 4-2
Bridge Configuration 4-3
Setting Source Routing Transparent (VT100) 4-3
Setting Source Route Bridging 4-4
Setting Transparent Bridging 4-4
Spanning Tree Fields 4-5
Spanning Tree Parameters 4-5
Port Configuration 4-6
Setting Up Ports 4-6
Setting the Port Admin. State 4-6
Setting VLAN ID 4-6
Setting Port Personality 4-7
Setting Port Priorities 4-7
Setting Congestion Control 4-7
Setting Port Speed 4-8
Setting Forwarding Mode 4-8
Dynamic Cut-Thru Threshold% 4-8
Setting the Locally Admin. Address 4-8
Setting Broadcast Storm Control 4-9
Rising Threshold% 4-9
Falling Threshold% 4-9
Rising Action 4-9
Falling Action 4-9
Port Bridge Configuration 4-10
I/O Module Configuration 4-11
Stack Configuration 4-11
Setting Up the Stack 4-11
Setting sysName 4-12
BOOTP Client 4-12
VLAN Configuration 4-12
Assigning a Port to a VLAN 4-13
Specifying a Backbone Port 4-13
Unit Configuration 4-14
Setting Up the Unit 4-14
Unit ID 4-14
Unit Name 4-14
Port Capacity 4-14
Option Slot 4-14
Power Supply 4-14
Power On Self Test 4-15
Roving Analysis 4-15
Administrative Configuration 4-15
Setting Local Security 4-16
Creating New Users 4-17
Deleting Users 4-17
Editing Users and Changing Passwords 4-18
About the Switch Database (SDB) 4-19
Database Entries 4-19
Database Entry Methods 4-19
Switch Database Configuration 4-20
Adding Entries to the Database 4-21
Deleting Entries from the Database 4-21
Finding Entries in the Database 4-21
SNMP Trap Configuration 4-21
Serial Port Configuration 4-22
Connection Type 4-23
DCD Control 4-23
DSR Control 4-23
Flow Control 4-23
Auto Config 4-23
Speed 4-23
Char Size 4-23
Parity 4-23
Stop Bit 4-23
Initializing the Switch 2000 TR 4-24

5 C ONFIGURING WITH THE LCD C ONSOLE
Unit Configuration 5-1
Bridge Configuration 5-2
Port Configuration 5-3
Setting Port ID 5-3
Viewing Link State 5-3
Setting Port State 5-4
Setting Speed 5-4
Setting Port Personality 5-5
I/O Module Configuration 5-5
6 M ONITORING THE S WITCH 2000 TR
Locating Statistics 6-1
Unit Statistics 6-2
Port Statistics 6-3
Port Statistics (Traffic) 6-4
Stack Status 6-6
Status 6-7
Fault Log 6-8
Remote Polling (PING) 6-9
LCD Status 6-10
7 V IRTUAL LAN S
What are VLANs? 7-1
Benefits of VLANs 7-2
How VLANs Ease Change and Movement 7-2
How VLANs Control Broadcast Traffic 7-2
How VLANs Provide Extra Security 7-2
VLANs and the Switch 2000 TR 7-3
The Default VLAN and Moving Ports From the Default
VLAN 7-3
Connecting VLANs to a Router 7-3
Connecting Common VLANs Between Switch Units 7-4
Using Non-routable Protocols 7-4
Using Unique MAC Addresses 7-4
Extending VLANs into an ATM Network 7-4
Example 1 7-4
A S OFTWARE U PGRADE U TILITY
Software Upgrade Utility Command Set A-1
Starting the Software Upgrade Utility A-2
Using the Commands A-3
Resetting to Factory Defaults A-3
Downloading a New Software Image A-3
After the Download A-3
Status Messages A-4
B S CREEN A CCESS R IGHTS
Access Rights Table B-1
C S ERIAL P ORT C ABLE P IN - OUTS
Null Modem Cable C-1
Cabling for Module Options C-1
D T ROUBLESHOOTING
Troubleshooting Procedures D-1
E S WITCH 2000 TR
T
ECHNICAL S PECIFICATIONS
Specifications for Module Options E-2

F T ECHNICAL S UPPORT
Online Technical Services F-1
World Wide Web Site F-1
3Com Bulletin Board Service F-1
Access by Analog Modem F-1
Access by Digital Modem F-2
3ComFacts Automated Fax Service F-2
3ComForum on CompuServe Online Service F-3
Support from Your Network Supplier F-3
Support from 3Com F-3
Returning Products for Repair F-4
3C OM C ORPORATION L IMITED W ARRANTY

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) into your Token Ring network for
maximum benefit.
This guide is intended for use by network administra-
tors responsible for installing and setting up network-
ing equipment. It assumes a basic working
knowledge of Local Area Networks and Token Ring in
particular.
NOTE: If the information in the release notes shipped
with the Switch 2000 TR differs from the information
in this guide, follow the release notes.
How to Use This Guide
This table lists where specific information can be found.
Conventions
The following tables list icon and text conventions
that are used throughout this guide.
Chapter Information
1 Overview
2 Getting Started
3 Setting Up Management
4 Configuring with the VT100 Interface
5 Configuring with the LCD Console
6 Monitoring the Switch 2000 TR
7 Virtual LANs
Appendix
A Software Upgrade Utility
B Screen Access Rights
C Serial Port Cable Pin-outs
D Troubleshooting
E Technical Specifications
F Technical Support

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)
■ Switch 2000 TR User Guide. (Part Number #99032)
■
Switch 2000 TR Release Notes. (Part Number
#99034)
■
SuperStack II Switch 2000 TR ATM OC-3 Module
User Guide (Part Number #99041)
■ SuperStack II Switch 2000 TR FDDI Module User
Guide (Part Number #99048)
■
SuperStack II Switch 2000 TR TR-in-FE Module
User Guide (Part Number #99045)
Table 1 Notice Icons
Icon Type Description
Information
Note Information notes call attention to impor- tant features or instructions.
Caution Cautions contain directions that you must
follow to avoid immediate system damage
or loss of data.
Warning Warnings contain directions that you must
follow for your personal safety. Follow all
instructions carefully.
Table 2 Text Conventions
Convention Description
Italics Italics are used for emphasis or to denote new terms.
“Enter” vs.
“Press” The word “enter” means to type something and then press the Return or Enter key. Do not press the Return
or Enter key when an instruction simply says “press.”
Text repre-
sented as
screen
display
This typeface is used to represent displays that
appear on your terminal screen; for example:
Select a menu option
Keys When specific keys are referred to in the text, they are
called out by their labels, such as the “Return key” or
the “Escape key,” or they may be shown as [Return]
or [Esc].
If two or more keys are to be pressed simultaneously,
the keys are linked with a plus sign (+); for example:
Press [Ctrl]+[Alt]+[Del].