Contents

• Preface
• Changes to This Document
• Obtaining Documentation and Submitting a Service Request

Preface

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The Cisco IOS XR Routing Configuration Guide for the Cisco XR 12000 Series Router preface contains these sections:

• Changes to This Document
• Obtaining Documentation and Submitting a Service Request

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-20377-01	December 2009	Initial release of this document.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, 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

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