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34-12
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 34 MPLS Traffic Engineering - Fast Reroute Link Protection
How to Configure Traffic Engineering - Fast Reroute Link Protection
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
mpls traffic-eng auto-tunnel primary
onehop
Example:
Router(config)# mpls traffic-eng
auto-tunnel primary onehop
Creates primary tunnels to all the next hops automatically.
Step 4
mpls traffic-eng auto-tunnel primary
tunnel-num [min
min-num
] [max
max-num
]
Example:
Router(config)# mpls traffic-eng
auto-tunnel primary tunnel-num min 3
max 400
Configures the range of tunnel interface numbers for primary
autotunnels.
• min-num—(Optional) Minimum number of the primary tunnels.
The range is 0 to 65535, with a default value of 65436.
• max-num—(Optional) Maximum number of the primary
tunnels. The max number is the minimum number plus 99. The
range is from 0 to 65535.
Step 5
mpls traffic-eng auto-tunnel primary
config unnumbered
interface
Example:
Router(config)# mpls traffic-eng
auto-tunnel primary config
unnumbered-interface Loopback102
Enables IP processing without an explicit address.
• interface—Interface on which IP processing is enabled without
an explicit address.
Step 6
mpls traffic-eng auto-tunnel primary
timers removal rerouted
sec
Example:
Router(config)# mpls traffic-eng
auto-tunnel primary timers removal
rerouted 604800
Configures the period after a failure to remove primary autotunnels.
• sec—Number of seconds after a failure that primary
autotunnels are removed. The range is from 30 to 604,800, with
a default of 0.
Step 7
mpls traffic-eng auto-tunnel primary
config mpls ip
Example:
Router(config)# mpls traffic-eng
auto-tunnel primary config mpls ip
Enables Label Distribution Protocol (LDP) on primary autotunnels.