3Com MSR 30, MSR 50 manual n

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<Sysname> system-view
[Sysname] mpls
[Sysname-mpls] mpls te timer auto-bandwidth 600
mpls te timer fast-reroute
Syntax mpls te timer fast-reroute [seconds]
undo mpls te timer fast-reroute
View MPLS view
Parameter seconds: FRR polling timer setting for the point of local repair (PLR) to poll
available bypass tunnels for the best one. It ranges from 0 to 604800 seconds,
with 0 disabling the PLR to poll available bypass tunnels regularly for the best one.
The default is 300 seconds or 5 minutes.
Description Use the mpls te timer fast-reroute command to set the FRR polling timer.
Use the undo mpls te timer fast-reroute command to disable FRP polling.
The default FRR polling timer is 300 seconds.
nThis command is not supported when the signaling protocol is CR-LDP.
Example # Set the FRR polling timer to 120 seconds or 2 minutes.
<Sysname> system-view
[Sysname] mpls
[Sysname-mpls] mpls te timer fast-reroute 120
mpls te timer retry
Syntax mpls te timer retry second
undo mpls te timer retry
View Tunnel interface view
Parameter second: Interval for re-establishing the tunnel, in the range 1 to 4294967295
seconds.
Description Use the mpls te timer retry command to configure the interval for
re-establishing the tunnel.
Use the undo mpls te timer retry command to restore the default.
The default interval for re-establishing a tunnel is 10 seconds.