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Configuring OSPF Configuring OSPF
OmniSwitch 6800/6850/9000 Advanced Routing Configuration Guide December 2007 page 1-33
Configuring Redundant CMMs for Graceful Restart
By default, OSPF graceful restart is disabled. To enable OSPF graceful restart on OmniSwitch 9000
switches, use the ip ospf restart-support command by entering ip ospf restart-support followed by
planned-unplanned.
For example, to enable OSPF graceful restart to support planned and unplanned restarts enter:
-> ip ospf restart-support planned-unplanned
To disable OSPF graceful restart use the no form of the ip ospf restart-support command by entering:
-> no ip ospf restart-support
Optionally, you can configure graceful restart parameters with the following CLI commands:
For more information about graceful restart commands, see the “OSPF Commands” chapter in the
OmniSwitch CLI Reference Guide.
ip ospf restart-interval Configures the grace period for achieving a graceful OSPF restart.
ip ospf restart-helper status Administratively enables and disables the capability of an OSPF router
to operate in helper mode in response to a router performing a graceful
restart.
ip ospf restart-helper strict-lsa-
checking status
Administratively enables and disables whether or not a changed Link
State Advertisement (LSA) will result in termination of graceful restart
by a helping router.
ip ospf restart initiate Initiates a planned graceful restart.