Table Of Contents

Preface

Changes to This Document

Obtaining Documentation, Obtaining Support, and Security Guidelines

Preface

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This reference describes the Cisco IOS XR System Error Messages for the Cisco CRS-1. The preface for Cisco IOS XR System Error Reference Guide for CRS-1 Router Platform Independent Messages contains the following sections:

The preface contains the following sections:

•Changes to This Document

•Obtaining Documentation, Obtaining Support, and Security Guidelines

Changes to This Document

Table 1 lists the technical changes made to this document since it was first printed.

Table 1 Changes to This Document 

Revision	Date	Change Summary
OL-12975-01	April 2007	Initial release of this document.

Obtaining Documentation, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html