The following example shows automatically created path options for this backup auto-tunnel.
RP/0/RP0/CPU0:router# show mpls traffic-eng tunnels 1 detail
Signalling Summary:
LSP Tunnels Process: running
RSVP Process: running
Forwarding: enabled
Periodic reoptimization: every 3600 seconds, next in 2524 seconds
Periodic FRR Promotion: every 300 seconds, next in 49 seconds
Auto-bw enabled tunnels: 1
Name: tunnel-te1 Destination: 200.0.0.3 (auto backup)
Status:
Admin: up Oper: up Path: valid Signalling: connected
path option 10, type explicit (autob_nnhop_srlg_tunnel1) (Basis for Setup, path weight
11)
path option 20, type explicit (autob_nnhop_tunnel1)
G-PID: 0x0800 (derived from egress interface properties)
Bandwidth Requested: 0 kbps CT0
Creation Time: Fri Jul 10 01:53:25.581 PST (1h 25m 17s ago)
Config Parameters:
Bandwidth: 0 kbps (CT0) Priority: 7 7 Affinity: 0x0/0xffff
Metric Type: TE (default)
AutoRoute: disabled LockDown: disabled Policy class: not set
Forwarding-Adjacency: disabled
Loadshare: 0 equal loadshares
Auto-bw: disabled
Fast Reroute: Disabled, Protection Desired: None
Path Protection: Not Enabled
Auto Backup (NNHOP+SRLG):
Protected LSPs: 4
Protected S2L Sharing Families: 0
Protected S2Ls: 0
Protected i/f: Gi0/1/0/0 Protected node: 20.0.0.2
Protection: NNHOP+SRLG
Unused removal timeout: not running
Path Options Details:
10: Explicit Path Name: (autob_nnhop_srlg_te1)
1: exclude-srlg 50.0.0.1
2: exclude-address 50.0.0.2
3: exclude-node 20.0.0.2
20: Explicit Path Name: (autob_nnhop_te1)
1: exclude-address 50.0.0.1
2: exclude-address 50.0.0.2
3: exclude-node 20.0.0.2
History:
Tunnel has been up for: 00:00:08
Current LSP:
Uptime: 00:00:08
Prior LSP:
ID: path option 1 [545]
Removal Trigger: configuration changed
Path info (OSPF 0 area 0):
Hop0: 10.0.0.2
Hop1: 100.0.0.2
Hop2: 100.0.0.3
Hop3: 200.0.0.3
This example shows the automatically created backup tunnels.
RP/0/RP0/CPU0:router# show mpls traffic-eng tunnels brief
TUNNEL NAME DESTINATION STATUS STATE
tunnel-te0 200.0.0.3 up up
tunnel-te1 200.0.0.3 up up
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
357
Implementing MPLS Traffic Engineering
Configure the MPLS-TE Auto-Tunnel Backup: Example
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