Conguring OSPF Graceful Restart time for the global instance
Use the following command to specify the maximum amount of time advertised to a neighbor router to maintain routes from and
forward trac to a restarting router.
device(config)# router ospf
device(config-ospf-router)# graceful-restart restart-time 120
Syntax: [no] graceful-restart restart-time seconds
The seconds variable sets the maximum restart wait time advertised to neighbors.
Possible values are 10 - 1800 seconds.
The default value is 120 seconds.
Disabling OSPF Graceful Restart helper mode for the global instance
By default, a router supports other restarting routers as a helper. You can prevent your router from participating in OSPF Graceful Restart
by using the following command.
device(config)# router ospf
device(config-ospf-router)# graceful-restart helper-disable
Syntax: [no] graceful-restart helper-disable
This command disables OSPF Graceful Restart helper mode.
The default behavior is to help the restarting neighbors.
Conguring OSPF Graceful Restart per VRF
The following sections describe how to enable the OSPF Graceful Restart feature on a
specied VRF.
Use the following command to enable the graceful restart feature on a specied VRF.
device(config)# router ospf vrf blue
device(config-ospf-router)# graceful-restart
Syntax: [no] graceful-restart
NOTE
By default, graceful restart is enabled.
Conguring OSPF Graceful Restart time per VRF
Use the following command to specify the maximum amount of time advertised to an OSPF neighbor router to maintain routes from
and forward trac to a restarting router.
device(config)# router ospf vrf blue
device(config-ospf-router)# graceful-restart restart-time 120
Syntax: [no] graceful-restart restart-time seconds
The seconds variable sets the maximum restart wait time advertised to OSPF neighbors of the VRF.
Possible values are 10 - 1200 seconds.
The default value is 60 seconds.
OSPF distribute list
FastIron Ethernet Switch Layer 3 Routing
268 53-1003627-04
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