Configuring OSPF graceful-restart helper-disable
21-40 Routing Protocol Configuration
Example
Thisexampleshowshowtoenablethegracefulrestartabilityonthisrouter:
Matrix->Router(config)#router ospf 1
Matrix->Router(config-router)#graceful-restart enable
Matrix->Router(config-router)
graceful-restart helper-disable
Usethiscommandtodisablethegracefulrestarthelperfunctiononthisrouter.
Syntax
graceful-restart helper-disable
no graceful-restart helper-disable
Parameters
None.
Defaults
Helpermodeenabled.
Mode
Routercommand,Routerconfiguration:Matrix‐>Router(config‐router)#
Usage
Eachrestartingrouternetworksegmentfunctionsasahelperbymonitoringthenetworkfor
topologychanges.SolongasthehelperdoesnotseeanLSAchange,itcontinuestoadvertiseits
LSAsasthoughtherestartingrouterremainedincontinuousoperation.Thiscommanddisables
thiscapability.Formoreinformationon
thegracefulrestarthelperfunction, see“Understanding
GracefulRestart”onpage 21 ‐19.
The“no”formofthiscommandenablesgraceful‐restarthelpermodeforthisrouter.
Example
Thisexampleshowshowtodisablethehelperfunctiononthisrouter:
Matrix->Router(config)#router ospf 1
Matrix->Router(config-router)#graceful-restart helper-disable
graceful-restart restart-interval
Usethiscommandtosetthegraceful‐restartrestartinterval.
Syntax
graceful-restart restart-interval interval
no graceful-restart restart-interval interval