Preface
From Release 6.1.2 onwards, Cisco introduces support for the 64-bit Linux-based IOS XR operating system.
Extensive feature parity is maintained between the 32-bit and 64-bit environments. Unless explicitly marked
otherwise, the contents of this document are applicable for both the environments. For more details on Cisco
IOS XR 64 bit, refer to the Release Notes for Cisco ASR 9000 Series Routers, Release 6.1.2 document.
The Preface contains these topics:
•
Changes to This Document, page xiii
•
Obtaining Documentation and Submitting a Service Request, page xiii
Changes to This Document
This table lists the changes made to this document since it was first printed.
Table 1: Changes to This Document
Change SummaryDate
Republished with documentation updates for Cisco
IOS XR Release 5.2.2 features.
October 2014
Initial release of this document.July 2014
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service
request, 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's
New in Cisco Product Documentation RSS feed. RSS feeds are a free service.
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference, Release
5.2.x
xiii