Filter
Top Products
34-21
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 34 MPLS Traffic Engineering - Fast Reroute Link Protection
Verification Examples
• show ip rsvp hello bfd nbr detail
• show ip rsvp hello bfd nbr summary
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-bfd-frr.h
tml
Use the following command to verify whether or not 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 - Gi4/0/1 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 - Gi4/0/1 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:
10.10.7.1/32, Flags:0x0 (No Local Protection)
10.10.4.1/32, Flags:0x9 (Local Prot Avail/to NNHOP) !Available to NNHOP
10.10.1.1/32, Flags:0x0 (No Local Protection)
Traffic params - Rate: 10K bits/sec, Max. burst: 1K bytes
Min Policed Unit: 0 bytes, Max Pkt Size 4294967295 bytes
Fast-Reroute Backup info:
Inbound FRR: Not active
Outbound FRR: No backup tunnel selected
Path ID handle: 50000416.
Incoming policy: Accepted. Policy source(s): MPLS/TE
Status: Proxy-terminated
Use the following command to verify whether the LSPs are protected:
Router# show mpls traffic-eng fast-reroute database
Tunnel head end item frr information:
Protected tunnel In-label Out intf/label FRR intf/label Status