Table Of Contents

Preface

Changes to This Document

Obtaining Documentation and Submitting a Service Request

Preface

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The Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide provides information and procedures related to router interface and hardware configuration.

The preface contains the following 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-26061-03	September 2012	Republished with documentation updates for Cisco IOS XR Release 4.2.3 features.
OL-26061-02	June 2012	Republished with documentation updates for Cisco IOS XR Release 4.2.1 features.
OL-26061-01	December 2011	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

Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.