Enters interface configuration mode and associates one or more interfaces to the area.
Step 7 commit
Step 8 Do one of the following:
• show ospf [ process-name ]
• show ospfv3 [ process-name ]
Example:
RP/0/RP0/CPU0:router# show ospf 1
or
RP/0/RP0/CPU0:router# RP/0/RP0/CPU0:router# show ospfv3 2
(Optional) Displays SPF throttling timers.
Graceful Restart for OSPFv3
The OSPFv3 Graceful Shutdown feature preserves the data plane capability in these circumstances:
• RP failure resulting in a switch-over to the backup processor
• Planned OSPFv3 process restart, such as a restart resulting from a software upgrade or downgrade
• Unplanned OSPFv3 process restart, such as a restart resulting from a process crash
In addition, OSPFv3 will unilaterally shutdown and enter the exited state when a critical memory event,
indicating the processor is critically low on available memory, is received from the sysmon watch dog process.
This feature supports nonstop data forwarding on established routes while the OSPFv3 routing protocol restarts.
Therefore, this feature enhances high availability of IPv6 forwarding.
Configure OSPFv3 Graceful Restart
This task explains how to configure a graceful restart for an OSPFv3 process. This task is optional.
SUMMARY STEPS
1. configure
2. router ospfv3 process-name
3. graceful-restart
4. graceful-restart lifetime
5. graceful-restart interval seconds
6. graceful-restart helper disable
7. commit
8. show ospfv3 [ process-name [ area-id ]] database grace
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
79
Implementing OSPF
Graceful Restart for OSPFv3
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