Preface

The Cisco IOS XR Routing Command Reference for the Cisco XR 12000 Series Router preface containsthese sections:

• Changes to This Document, page i

• Obtaining Documentation and Submitting a Service Request, page i

Changes to This DocumentThis table lists the technical changes made to this document since it was first published.

Table 1: Changes to This Document

Change SummaryDateRevision

Republished with documentationupdates for Cisco IOS XR Release4.3.2 features.

September 2013OL-28397-03

Republished with documentationupdates for Cisco IOS XR Release4.3.1 features.

May, 2013OL-28397-02

Initial release of this document.December, 2012OL-28397-01

Obtaining Documentation and Submitting a Service RequestFor information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a servicerequest, and gathering additional information, see What's New in Cisco Product Documentation.

To receive new and revised Cisco technical content directly to your desktop, you can subscribe to the What'sNew in Cisco Product Documentation RSS feed. RSS feeds are a free service.

Cisco IOS XR Routing Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x OL-28477-02 i

Cisco IOS XR Routing Command Reference for the Cisco XR 12000 Series Router, Release 4.3.xii OL-28477-02

PrefaceObtaining Documentation and Submitting a Service Request