By default, graceful restart and graceful restart helper capabilities are enabled.
OSPF IPv6 router configuration mode
OSPFIPv6 router VRF configuration mode
Use the no graceful-restart command to disable graceful restart mode.
Use the no graceful-restart helper command to disable the graceful restart helper capability.
This example disables the graceful restart helper capability.
device# configure terminal device(config)# ipv6 router ospf device(config-ipv6-router-ospf-vrf-default-vrf)# no graceful-restart helper
This example sets the graceful restart interval to 130 seconds.
device# configure terminal device(config)# ipv6 router ospf device(config-ipv6-router-ospf-vrf-default-vrf)# graceful-restart restart-time 130