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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 34 MPLS Traffic Engineering - Fast Reroute Link Protection
Verification Examples
POS2/1 10.0.0.49 YES NVRAM up up
POS2/2 10.0.0.45 YES NVRAM up up
POS2/3 10.0.0.57 YES NVRAM administratively down down
POS3/0 10.0.0.18 YES NVRAM down down
POS3/1 10.0.0.33 YES NVRAM up up
POS3/2 unassigned YES NVRAM administratively down down
POS3/3 unassigned YES NVRAM administratively down down
GigabitEthernet4/0 10.0.0.37 YES NVRAM up up
GigabitEthernet4/1 unassigned YES NVRAM administratively down down
GigabitEthernet4/2 unassigned YES NVRAM administratively down down
Loopback0 10.0.3.1 YES NVRAM up up
Tunnel0 10.0.3.1 YES unset up up
Tunnel65436 10.0.3.1 YES unset up up
Tunnel65437 10.0.3.1 YES unset up up
Ethernet0 10.3.38.3 YES NVRAM up up
Ethernet1 unassigned YES NVRAM administratively down down
Router# show mpls traffic-eng tunnels backup
Router_t578
LSP Head, Tunnel578, Admin: up, Oper: up
Src 10.55.55.55, Dest 10.88.88.88, Instance 1
Fast Reroute Backup Provided:
Protected i/fs: PO1/0, PO1/1, PO3/3
Protected lsps: 1
Backup BW: any pool unlimited; inuse: 100 kbps
Router_t5710
LSP Head, Tunnel5710, Admin: admin-down, Oper: down
Src 10.55.55.55, Dest 10.7.7.7, Instance 0
Fast Reroute Backup Provided:
Protected i/fs: PO1/1
Protected lsps: 0
Backup BW: any pool unlimited; inuse: 0 kbps
Router_t5711
LSP Head, Tunnel5711, Admin up, Oper: up
Src 10.55.55.55,, Dest 10.7.7.7, Instance 1
Fast Reroute Backup Provided:
Protected i/fs: PO1/0
Protected lsps: 2
Backup BW: any pool unlimited; inuse: 6010 kbps
Verifying BFD Triggered FRR Configuration
To verify the configuration of BFD triggered FRR, use the show commands as shown in the following
examples.
• show mpls traffic-eng tunnels brief
• show ip rsvp sender detail
• show mpls traffic-eng fast-reroute database
• show mpls traffic-eng tunnels backup
• show ip rsvp reservation detail
• show ip rsvp hello
• show ip rsvp interface detail
• show ip rsvp hello bfd nbr