(Optional) Configuring Graceful Shutdown

The graceful shutdown function can be enabled to help traffic migrate in seamless switching scenarios, which reduces the upgrade and maintenance expenses on an entire device.

Procedure

Configure graceful shutdown in the MPLS view.
1. Run system-view
  The system view is displayed.
2. Run mpls
  The MPLS view is displayed.
3. Run mpls te
  MPLS TE is globally enabled.
4. Run mpls rsvp-te
  RSVP-TE is enabled.
5. Run mpls rsvp-te graceful-shutdown
  Graceful shutdown is enabled.
6. (Optional) Run mpls rsvp-te timer graceful-shutdown graceful-shutdown-time
  A graceful shutdown timeout period is set.
  
  After a local device performs graceful shutdown and sends a reroute request, the device deletes the RSVP LSP if the rerouting fails within the graceful shutdown timeout period.
7. Run commit
  The configuration is committed.
Configure graceful shutdown in the interface view.
1. Run system-view
  The system view is displayed.
2. Run interface interface-type interface-number
  The interface view is displayed.
3. Run mpls
  MPLS is enabled on the interface.
4. Run mpls te
  MPLS TE is enabled on the interface.
5. Run mpls rsvp-te graceful-shutdown
  Graceful shutdown is enabled.
6. Run commit
  The configuration is committed.