Optional) Configuring Gr Helper Timers - Huawei AR2200 Series Configuration Manual

Huawei AR2200 Series Enterprise Routers
Configuration Guide - MPLS
Return to the system view.
Step 5 Run:
mpls ldp
The LDP function is enabled on the local node and the LDP view is displayed.
Step 6 Run:
graceful-restart
The GR function is enabled.
By default, the LDP GR function is disabled.
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2.8.3 (Optional) Configuring GR Helper Timers

You can set the values of GR Helper timers, that is, the LSP Recovery timer.
Context
Perform the following steps on the GR Helper:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
mpls ldp
The MPLS LDP view is displayed.
Step 3 Run:
graceful-restart timer recovery time
The LSP Recovery timer is set.
By default, the LSP Recovery timer is set to 300 seconds.
Step 4 Run:
graceful-restart timer neighbor-liveness time
The Neighbor-liveness timer is set.
Issue 01 (2012-01-06)
NOTE
l When the LDP GR is enabled or disabled, the LDP session is renewed.
l During the LDP GR process, the undo mpls ldp and reset mpls ldp commands are not permitted.
l During the LDP GR process, the modification of the LSP trigger policy through the lsp-trigger,
propagate mapping and lsp-trigger bgp-label-route commands is invalid.
NOTE
If any timer value related to LDP GR is modified, the LDP session is recreated.
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