Cisco IOS XR Routing Configuration Guide for the Cisco XR 12000 Series Router, Release 4.2.x
Preface
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Preface

Preface

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

Changes to This Document

This table lists the technical changes made to this document since it was first printed.

Table 1 Changes to This Document
Revision Date Change Summary

OL-26046-03

September, 2012

Republished with documentation updates for Cisco IOS XR Release 4.2.3 features.

OL-26046-02

June, 2012

Republished with documentation updates for Cisco IOS XR Release 4.2.1 features.

OL-26046-01

December, 2011

Initial release of this document.

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