Cabletron Systems MT8-MIM Spezifikationen PDF herunterladen (Seite 8)

Chapter 1:

Introduction

1-2 Troubleshooting Guide

Refer to

Section 2.1

Problem Identification and Notification

, for guidelines to gather relevant

information about the network to determine how, or if part or all of the network is affected.

Refer to

Section 2.2

Problem Verification and Information Gathering

, for guidelines about how to

verify that a problem actually exists and gather relevant information about the problem.

Refer to

Section 2.3

Develop Theories

, for guidelines to develop theories about what the problem could

be and how to isolate it to a particular category.

Refer to one of the chapters (3 through 9) according to the category of the suspect problem as determined

in step 3. For example, if it is suspected that the problem is with booting the system, refer to

Chapter 3

for

a list of common problems related to booting. If you find your problem listed, follow the associated

troubleshooting procedure to solve the problem. When applicable, sections in

Appendix A

are referred to

for additional information.

The troubleshooting information in Chapters 3 through 9 is in a form made up of paths consisting of statements

followed by

(yes) and

(no). If the statement is true, follow the

path. If the statement is false, follow the

path. Do this until the path leads to a conclusion. If a solution is not found, refer to

Appendix B

for

instructions about contacting Cabletron Systems for help.

1.2 Structure of This Guide

This guide is organized as follows:

Chapter 1,

Introduction

–

Describes the purpose of this guide, how it is organized, and how to use it.

Chapter 2,

Troubleshooting Guidelines

–

Provides guidelines about what to do when a problem occurs in the

network and how to isolate it down to a particular category of problems described in one of the Chapters 3

through 9.

Chapter 3,

Booting/Image Code Loading Problems – Provides guidelines for booting or loading an image

code from a PC or workstation to a device such as a management module.

troubleshooting procedures concerning booting problems.

Chapter 4, Desktop Network Interface (DNI) Problems – Provides troubleshooting procedures concerning

DNI problems.

Chapter 5, Routing Problems – Provides troubleshooting procedures concerning bridge routing problems.

Chapter 6, FDDI Problems – Provides troubleshooting procedures concerning FDDI problems.

Chapter 7, Ethernet Problems – Provides troubleshooting procedures concerning Ethernet Problems.

Chapter 8, Terminal Server Problems – Provides troubleshooting procedures concerning Terminal Server

problems.

Chapter 9, Token Ring Problems – Provides troubleshooting procedures concerning Token Ring.

Appendix A, Router Password Recovery Procedures – Provides password recovery procedures for various

models of Cisco routers.

Appendix B, Getting Additional Help – Provides information on how to obtain additional help from

Cabletron Systems.

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