Enable OSPF routing for the specified routing process. In this example, the OSPF instance is called isp.
Step 3 nsr
Example:
RP/0/RP0/CPU0:router(config-ospf)# nsr
Enable NSR for the OSPFv2 process.
Step 4 commit
Commit your configuration.
Enabling Nonstop Routing for OSPFv3
This task describes how to enable nonstop routing (NSR) for OSPFv3 process. NSR is disabled by default.
When NSR is enabled, OSPF process on the active RP synchronizes all necessary data and states with the
OSPF process on the standby RP. When the switchover happens, OSPF process on the newly active RP has
all the necessary data and states to continue running and does not require any help from its neighbors.
Step 1 configure
Enter the global configuration mode.
Step 2 router ospfv3 instance-id
Example:
RP/0/RP0/CPU0:router(config)# router ospfv3 isp
Enable OSPF routing for the specified routing process. In this example, the OSPF instance is called isp.
Step 3 nsr
Example:
RP/0/RP0/CPU0:router(config-ospfv3)# nsr
Enable NSR for the OSPFv3 process.
Step 4 commit
Commit your configuration.
Configuring OSPF SPF Prefix Prioritization
Perform this task to configure OSPF SPF (shortest path first) prefix prioritization.
SUMMARY STEPS
1. configure
2. prefix-set prefix-set name
Routing Configuration Guide for Cisco NCS 6000 Series Routers, IOS XR Release 6.4.x
310
Implementing OSPF
Enabling Nonstop Routing for OSPFv3
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