Cabletron Systems 2.2 Contents

iii
Contents
Chapter 1 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
Chapter 2 Bridging
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