Table of Contents

Who Should Read This Guide
How This Guide Is Organized
Document Conventions

About This Guide

This section describes who should read this guide, how it is organized, and the document conventions of the LightStream 1010 ATM Switch Troubleshooting Guide.

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Who Should Read This Guide

This publication is intended as a standalone document for experienced network administrators who are responsible for configuring and maintaining the ATM switch.

How This Guide Is Organized

The major sections of this guide are as follows:

	Title	Description
Chapter 1	Troubleshooting Overview	Contains an overview of the ATM switch troubleshooting features and functions.
Chapter 2	Troubleshooting Tools	Describes the wide variety of tools available to assist you in troubleshooting your internetwork.
Chapter 3	Example Network	Describes the example network used to describe the hardware and configuration troubleshooting problems throughout the remainder of this guide.
Chapter 4	Troubleshooting ATM Switch Interface Connections	Presents troubleshooting information for connectivity and performance problems in ATM switch physical interfaces.
Chapter 5	Troubleshooting ATM Switch Network Connections	Presents troubleshooting information for connectivity and performance problems in ATM switching network connections.
Chapter 6	Troubleshooting LAN Emulation Switching Environments	Presents troubleshooting information for connectivity and performance problems in LAN switching environments.
Chapter 7	Troubleshooting Tag Switching Connections	Presents troubleshooting information for connectivity and performance problems in tag switching environments.
Chapter 8	Security Implementations	Presents troubleshooting information for connectivity and performance problems in LAN switching environments.
Appendix A	Debugging	Describes helpful debug commands when troubleshooting your ATM switch.
Appendix B	ATM Cell Structures	Describes the various ATM cell types and their configuration that can be helpful when troubleshooting your ATM switch.
Appendix C	Creating Core Dumps	Describes procedures used to obtain a full copy of the memory image (called a core dump) to identify the cause of a crash.
Appendix D	Technical Support Information	Describes the process you use to contact your technical support representative and the information they will about the situation and the symptoms you are experiencing.

Document Conventions

Screen displays use the following convention:

^	The symbol ^ represents the key labeled Control---for example, the key combination ^D in a screen display means hold down the Control key while you press the D key.

Command descriptions use the following conventions:

boldface font	Commands and keywords are in boldface.
italic font	Arguments for which you supply values are in italics.
[   ]	Elements in square brackets are optional.
{x | y | z}	Alternative keywords are grouped in braces and separated by vertical bars.

Examples use the following conventions:

screen font	Terminal sessions and information the system displays are in screen font.
boldface screen font	Information you must enter is in boldface screen font.
<   >	Nonprinting characters, such as passwords are in angle brackets.
[   ]	Default responses to system prompts are in square brackets.

Notes, examples, cautions, and warnings use the following conventions:

Note	Means reader take note. Notes contain helpful suggestions or references to material not covered in the publication.
	This pointer highlights an important line of text in an example.
	Caution   Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.
	Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.

Posted: Fri Apr 9 10:24:30 PDT 1999
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