Huawei quidway s7700 Configuration Manual page 169

Quidway S7700 Smart Routing Switch
Configuration Guide - VPN
backbone network, you can configure MPLS LDP GR; if RSVP-TE tunnels are configured on
the backbone network, you can configure MPLS RSVP GR; if other types of tunnels are
configured on the backbone network, you do not need to perform the operation.
Context
If you use an LDP LSP tunnel, you need to configure MPLS LDP GR. If you use an RSVP-TE
tunnel, you need to configure MPLS RSVP GR. If you use another type of tunnel, you need not
perform this step.
Procedure
l
Issue 01 (2011-07-15)
Configure MPLS LDP GR.
1. Run:
system-view
The system view is displayed.
2. Run:
mpls
MPLS is enabled globally, and the MPLS view is displayed.
3. Run:
quit
Return to the system view.
4. Run:
mpls ldp
The MPLS LDP view is displayed.
5. Run:
graceful-restart
The GR capability of MPLS LDP is enabled.
6. (Optional) Run:
graceful-restart timer reconnect time
The reconnection period of the MPLS LDP session is configured.
By default, the reconnection period is 300 seconds.
7. (Optional) Run:
graceful-restart timer neighbor-liveness time
The validity period of MPLS LDP neighbors is configured.
By default, the validity period of MPLS LDP neighbors is 600 seconds.
8. (Optional) Run:
graceful-restart timer recovery time
The MPLS LDP recovery period is configured.
By default, the MPLS LDP recovery period is 300 seconds.
NOTE
When the GR capability of MPLS LDP is enabled or the GR parameters are modified, the LDP session
is reestablished.
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