Enabling RSVP GR

RSVP GR prevents service interruptions during an active/standby switchover and allows a dynamic CR-LSP to be restored.

Perform the following configurations on a GR node.

Run system-view
The system view is displayed.
Run mpls
The MPLS view is displayed.
Run mpls rsvp-te hello full-gr
The RSVP GR function and the RSVP GR helper function are enabled.

By default, the RSVP GR function and the RSVP GR helper function are disabled.