Cisco Systems A9014CFD manual Configuring Remote LFA-FRR on IS-IS, 39-15

Chapter 39 Remote Loop-Free Alternate - Fast Reroute

How to Configure Remote Loop-Free Alternate - Fast Reroute

	Command	Purpose
Step 4	ip address ip-address	Specifies an IP address for the specified interface.
	Example:
	Router(config-if)# ip address 7.7.7.1
	255.255.255.0
Step 5	ip router isis	Configures an IS-IS routing process for an IP on an interface.
	Example:
	Router(config-if)# ip router isis
Step 6	mpls ip	Enables MPLS forwarding of IPv4 packets along normally routed
		paths for a particular interface.
	Example:
	Router(config-if)# mpls ip
Step 7	isis network point-to-point	Configures a network of two networking devices that use the
		integrated IS-IS routing protocol to function as a point-to-point link.
	Example:
	Router(config-if)# isis network
	point-to-point

Configuring Remote LFA-FRR on IS-IS

To configure Remote LFA-FRR for the IS-IS routing process, complete the following steps:

SUMMARY STEPS

1.enable

2.configure terminal

3.router isis

4.net net

5.is-type level-1

6.advertise-passive-only

7.ispf level-1

8.fast-flood

9.max-lsp-lifetime seconds

10.lsp-refresh-interval seconds

11.spf-interval [level-1 level-2]spf-max-wait [spf-initial-waitspf-second-wait]

12.prc-intervalprc-max-wait [prc-initial-wait prc-second-wait]

13.lsp-gen-interval[level-1 level-2]lsp-max-wait [lsp-initial-wait lsp-second-wait]

14.no hello padding

15.log-adjacency-changes

16.fast-reroute per-prefix level-1 all

17.fast-reroute remote-lfa level-1 mpls-ldp

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		39-15