Cabletron Systems 2.2 User Manual

iii

Contents

Introduction

Using the BRIM UserÕs Guide..................................................................................... 1-2
Related Manuals............................................................................................................ 1-3
BRIM Management Applications ............................................................................... 1-3
Software Conventions .................................................................................................. 1-4

Using the Mouse .................................................................................................... 1-4
Common Device Window Fields......................................................................... 1-6
Using Window Buttons......................................................................................... 1-7

Getting Help .................................................................................................................. 1-8

Using On-line Help................................................................................................ 1-8
Accessing On-line Documentation...................................................................... 1-8
Getting Help from the Cabletron Systems Global Call Center ....................... 1-9

Bridging Basics .............................................................................................................. 2-1

About Transparent Bridging ................................................................................ 2-1
About Source Route Bridging .............................................................................. 2-2
About Source Route-Transparent Bridges.......................................................... 2-3
About Source Route-Translational Bridges ........................................................ 2-4

Viewing and Managing Bridging Interfaces ............................................................. 2-5
The Bridge Status Window .......................................................................................... 2-7

Accessing Bridge Status Window Options......................................................... 2-9

Enabling and Disabling Bridging ............................................................................. 2-14

Enabling and Disabling Individual Interfaces................................................. 2-14
Enabling and Disabling All Installed Interfaces.............................................. 2-14

Bridge Statistics ........................................................................................................... 2-15

Performance Graphs............................................................................................ 2-15

ConÞguring Performance Graphs.............................................................. 2-17
Bridge Detail Breakdown ............................................................................ 2-18
Bridge Port Detail Breakdown.................................................................... 2-19

Interface Statistics ................................................................................................ 2-20
CSMACD Statistics .............................................................................................. 2-23
PPP Link Statistics ............................................................................................... 2-25
Dot5 Errors............................................................................................................ 2-28
Source Route Statistics ........................................................................................ 2-31

Spanning Tree .............................................................................................................. 2-34

Bridge Level.......................................................................................................... 2-35
Bridge Port Level ................................................................................................. 2-37
ConÞguring Spanning Tree ................................................................................ 2-39