Cisco Cisco IOS XR Software Release 3.9

The most current Cisco XR 12000 Series Router hardware documentation is located at the following 
URL:

The Cisco IOS XR software documentation set includes the Cisco IOS XR software configuration 
guides and command references, as well as a getting started guide. See About Cisco IOS XR Software 
Documentation for Release 3.9 for a list of Cisco IOS XR Release 3.9.1 software documentation.

The most current Cisco XR 12000 Series Router software documentation is located at the following 
URL:

For information on obtaining documentation, submitting a service request, and gathering additional 
information, see What’s New in Cisco Product Documentation at: 

.

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This document is to be used in conjunction with the documents listed in the 

 

section.

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