Cisco NCS 5500 Series

Router(config-isis-af)# mpls traffic-eng router-id 10.7.7.7
Router(config-isis-af)# exit
Router(config-isis)# interface Loopback 0
Router(config-isis-if)# point-to-point
Router(config-isis-if)# address-family ipv4 unicast
Router(config-isis-if)# exit
Router(config-isis)# interface TenGigabitEthernet 0/0/0/4
Router(config-isis-if)# point-to-point
Router(config-isis-if)# address-family ipv4 unicast
Router(config-isis-af)# fast-reroute per-prefix
Router(config-isis-af)# fast-reroute per-prefix remote-lfa tunnel mpls-ldp
Router(config-isis-af)# commit
/* Configure FRR with remote LFA using OSPF */
Router# configure
Router(config)# router ospf 50
Router(config-ospf)# router-id 10.1.1.1
Router(config-ospf)# address-family ipv4 unicast
Router(config-ospf-af)# area 0
Router(config-ospf-af)# mpls traffic-eng
Router(config-ospf-af)# interface Loopback 0
Router(config-ospf-af)# exit
Router(config-ospf)# interface HundredGigE0/2/0/0
Router(config-ospf-if)# fast-reroute per-prefix
Router(config-ospf-if)# fast-reroute per-prefix remote-lfa tunnel mpls-ldp
Router(config-ospf-if)# exit
Router(config-ospf)# exit
Router(config)# mpls traffic-eng router-id Loopback 0
Running Configuration
This section shows the FRR with local LFA configuration.
/* FRR with local LFA with ISIS */
router isis ring
is-type level-1
net 49.0001.0000.0000.0007.00
nsf cisco
address-family ipv4 unicast
metric-style wide
mpls traffic-eng level-1-2
mpls traffic-eng router-id 10.7.7.7
!
interface Loopback0
point-to-point
address-family ipv4 unicast
!
!
interface HundredGigE0/2/0/0
point-to-point
address-family ipv4 unicast
fast-reroute per-prefix
/* FRR with local LFA with OSPF */
router ospf 50
router-id 10.1.1.1
address-family ipv4 unicast
area 0
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
254
Implementing Fast Reroute Loop-Free Alternate
Running Configuration