By being enabled with RSVP GR Helper, a device supports the GR capability of its neighbor.
RSVP GR takes effect on the RSVP GR-enabled neighbor automatically after the neighbor is enabled with RSVP GR. If the GR node's neighbor is a GR node, do not perform the following configurations. If the GR node's neighbor is not a GR node, perform the following configurations.
Perform the following configurations on GR Helper nodes.