Configuring RSVP Graceful Restart

The following RSVP graceful restart configurations are possible:

• Graceful restart and helper mode are both enabled (the default).
• Graceful restart is enabled but helper mode is disabled. A router configured in this way can restart gracefully, but cannot help a neighbor with its restart and recovery procedures.
• Graceful restart is disabled but helper mode is enabled. A router configured in this way cannot restart gracefully, but can help a restarting neighbor.
• Graceful restart and helper mode both are disabled. This configuration completely disables RSVP graceful restart (including restart and recovery procedures and helper mode). The router behaves like a router that does not support RSVP graceful restart.

The following sections describe how to configure RSVP graceful restart:

• Enabling Graceful Restart on the Router
• Disabling Graceful Restart for RSVP
• Disabling RSVP Helper Mode
• Configuring the Maximum Helper Recovery Time
• Configuring the Maximum Helper Restart Time

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