Cisco Systems A9014CFD manual Remote Loop-Free Alternate Fast Reroute, 39-1

C H A P T E R 39

Remote Loop-Free Alternate - Fast Reroute

This feature module describes the Remote Loop-free Alternate (LFA) - Fast Reroute (FRR) feature that uses a backup route, computed using dynamic routing protocol during a node failure, to avoid traffic loss.

Finding Feature Information

Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the “Feature Information for Remote Loop-Free Alternate - Fast Reroute” section on

page 39-40.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not required.

Contents

•Prerequisites, page 39-2

•Restrictions, page 39-2

•Feature Overview, page 39-3

•How to Configure Remote Loop-Free Alternate - Fast Reroute, page 39-5

•Configuration Examples for Remote LFA-FRR, page 39-35

•Additional References, page 39-39

•Feature Information for Remote Loop-Free Alternate - Fast Reroute, page 39-40

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		39-1