670 Configuring IPv6Figure 10-31. NSF OSPFv3 Summary• Support Mode — Enables or disables OSPFv3 to perform graceful restarts. The following options areavailable:– Planned— OSPFv3 will perform a graceful restart for planned restarts. A planned restart is afailover initiated by the administrator (see "Enabling and Disabling NSF " on page 258).– Always— OSPFv3 will perform a graceful restart for all planned and unplanned warm restartevents.– Disable—OSPFv3 will not perform graceful restarts.• Restart Interval — The grace period during which a neighboring router will be in the helper state afterreceiving notice that the management unit is performing a graceful restart.• Restart Status — Displays the restart status of OSPFv3 Helper feature. The possible values are:– Not Restarting– Planned Restart– Unplanned Restart• Restart Age (secs) — Displays the ammount of time since the last restart occured.• Restart Exit Reason — Displays how the master unit on the stack last started up. The possible valuesare:– Not Attempted—Graceful restart has not been attempted.– In Progress—Restart is in progress.– Completed— The previous gracefull restart completed successfully.– Timed Out—The previous graceful restart timed out.– Topology Changed— The previous graceful restart terminated prematurely because of a topologychange.If you change the Support Mode, click Submit to save your change.
