Command Reference OSPFv3 Commands
The GR function is unavailable when the Fast Hello function is enabled.
The following example enables GR for OSPFv3 instance 1 and sets the GR period to 60 seconds.
Ruijie(config)# ipv6 router ospf 1
Ruijie(config-router)# graceful-restart
Ruijie(config-router)# graceful-restart grace-period 60
3.17 graceful-restart helper
Use this command to enable the OSPFv3 graceful restart helper function. Use the no form of this
command to disable this function.
graceful-restart helper disable
no graceful-restart helper disable
Use this command configure the topology change detection method of OSPFv3 GR helper. Use the
no form of this command to cancel the configuration.
graceful-restart helper { strict-lsa-checking | internal-lsa-checking}
no graceful-restart helper {strict-lsa-checking | internal-lsa-checking}
Disables the device to assist other devices in performing GR.
Checks the change of the LSA of types 1-5 and 7 to judge whether
the network topology changes. If the topology changes, the GR
helper function will be disabled.
Checks the change of the LSA of types 1–3 to judge whether the
network topology changes. If the topology changes, the GR helper
function will be disabled.
The GR helper is enabled by default.
The device where the GR helper is enabled does not check the LSA change by default.
Routing process configuration mode
Use this command to enable the GR helper function. When one neighbor device performs graceful
restart, the Grace-LSA is advertised to all neighbors. If the device enabled with the GR helper
receives the Grace-LSA, it will become the GR Helper to help the neighbors perform GR. The disable