PurposeCommand or Action
Specifies the interval (minimal time) between
graceful restarts on the current router.
graceful-restart interval seconds
Example:
RP/0/RSP0/CPU0:router(config-ospfv3)# graceful-restart
interval 120
Step 5
•
The default value for the interval is 90 seconds.
•
The range is 90 to 3600 seconds.
Disables the helper capability.graceful-restart helper disable
Example:
RP/0/RSP0/CPU0:router(config-ospfv3)# graceful-restart
helper disable
Step 6
commit
Step 7
Displays the state of the graceful restart link.
show ospfv3 [ process-name [ area-id ]] database grace
Example:
RP/0/RSP0/CPU0:router# show ospfv3 1 database grace
Step 8
Displaying Information About Graceful Restart
This section describes the tasks you can use to display information about a graceful restart.
•
To see if the feature is enabled and when the last graceful restart ran, use the show ospf command. To
see details for an OSPFv3 instance, use the show ospfv3 process-name [ area-id ] database grace
command.
Displaying the State of the Graceful Restart Feature
The following screen output shows the state of the graceful restart capability on the local router:
RP/0/RSP0/CPU0:router# show ospfv3 1 database grace
Routing Process “ospfv3 1” with ID 2.2.2.2
Initial SPF schedule delay 5000 msecs
Minimum hold time between two consecutive SPFs 10000 msecs
Maximum wait time between two consecutive SPFs 10000 msecs
Initial LSA throttle delay 0 msecs
Minimum hold time for LSA throttle 5000 msecs
Maximum wait time for LSA throttle 5000 msecs
Minimum LSA arrival 1000 msecs
LSA group pacing timer 240 secs
Interface flood pacing timer 33 msecs
Retransmission pacing timer 66 msecs
Maximum number of configured interfaces 255
Number of external LSA 0. Checksum Sum 00000000
Number of areas in this router is 1. 1 normal 0 stub 0 nssa
Graceful Restart enabled, last GR 11:12:26 ago (took 6 secs)
Area BACKBONE(0)
Number of interfaces in this area is 1
SPF algorithm executed 1 times
Number of LSA 6. Checksum Sum 0x0268a7
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
388 OL-30423-03
Implementing OSPF
Configuring OSPFv3 Graceful Restart