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34-17
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 34 MPLS Traffic Engineering - Fast Reroute Link Protection
Verification Examples
Verification Examples
• Verifying MPLS TE-FRR Configuration
• Verifying Primary One-hop Auto-Tunnels
• Verifying Backup Auto-Tunnels
• Verifying BFD Triggered FRR Configuration
Verifying MPLS TE-FRR Configuration
To verify the MPLS TE-FRR configuration, use the show commands given below:
• 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
Note For more information on the above show commands, see:
http://www.cisco.com/en/US/docs/ios-xml/ios/mp_te_path_protect/configuration/xe-3s/mp-te-frr-node
-prot.html
Use the following command to verify whether the backup tunnels are up.
Router# show mpls traffic-eng tunnels brief
Signalling Summary:
LSP Tunnels Process: running
RSVP Process: running
Forwarding: enabled
Periodic reoptimization: every 3600 seconds, next in 1706 seconds
TUNNEL NAME DESTINATION UP IF DOWN IF STATE/PROT
Router_t1 10.112.0.12 - PO4/0/1 up/up
Router_t2 10.112.0.12 - unknown up/down
Router_t3 10.112.0.12 - unknown admin-down
Router_t1000 10.110.0.10 - unknown up/down
Router_t2000 10.110.0.10 - PO4/0/1 up/up
Displayed 5 (of 5) heads, 0 (of 0) midpoints, 0 (of 0) tails
Use the following command to verify whether the LSPs are protected by the appropriate backup tunnels.
Router# show ip rsvp sender detail
PATH:
Tun Dest: 10.10.0.6 Tun ID: 100 Ext Tun ID: 10.10.0.1
Tun Sender: 10.10.0.1 LSP ID: 31
Path refreshes:
arriving: from PHOP 10.10.7.1 on Et0/0 every 30000 msecs
Session Attr:
Setup Prio: 7, Holding Prio: 7
Flags: (0x7) Local Prot desired, Label Recording, SE Style
session Name: R1_t100
ERO: (incoming)
10.10.7.2 (Strict IPv4 Prefix, 8 bytes, /32)
10.10.0.6 (Strict IPv4 Prefix, 8 bytes, /32)
RRO: