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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 39 Remote Loop-Free Alternate - Fast Reroute
How to Configure Remote Loop-Free Alternate - Fast Reroute
Configuring Remote LFA-FRR for OSPF
To configure Remote LFA-FRR for the OSPF routing process, complete the following steps:
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. no negotiation auto
5. service instance id ethernet
6. encapsulation dot1q vlan-id
7. rewrite ingress tag pop 1 symmetric
8. bridge-domain bridge-domain-id
9. interface vlan bridge-domain-id
10. ip address ip-address
11. exit
12. router ospf
13. fast-reroute per-prefix {level-1 | level-2} {all | route-map route-map-name}
14. fast-reroute remote-lfa {level-1 | level-2} mpls-ldp [maximum-metric metric-value]
15. mpls ldp sync
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
interface
type number
Example:
Router(config)# interface vlan 40
Specifies an interface type and number, and enters interface
configuration mode.
Step 4
no negotiation auto
Example:
Router(config-if)# no negotiation auto
Disables automatic negotiation.