Configuring OSPF ip ospf hello-interval
21-28 Routing Protocol Configuration
ip ospf hello-interval
Usethiscommandtosetthenumberofsecondsaroutermustwaitbeforesendingahellopacket
toneighborroutersonaninterface.
Syntax
ip ospf hello-interval seconds
no ip ospf hello-interval
Parameters
Defaults
None.
Mode
Routercommand,Interfaceconfiguration:Matrix>Router(config‐if(Vlan1))#
Usage
EachEnterasysMatrixSeriesroutingmoduleorstandalonedevicecansupportcommunications
betweenupto60neighboringrouters.
The“no”formofthiscommandsetsthehellointervalvaluetothedefault.
Example
Thisexampleshowshowtosetthehellointervalto5forVLAN1:
Matrix>Router(config)#interface vlan 1
Matrix>Router(config-if(Vlan 1))#ip ospf hello-interval 5
ip ospf dead-interval
Usethiscommandtosetthenumberofsecondsaroutermustwaittoreceiveahellopacketfrom
itsneighborbeforedeterminingthattheneighborisoutofservice.
Syntax
ip ospf dead-interval seconds
no ip ospf dead-interval
Parameters
seconds Specifiesthehellointervalinseconds.Hellointervalmustbethesame
onneighboringrouters(onaspecificsubnet),butcanvarybetween
subnets.Thisparameter isanunsignedintegerwithvalidvalues
between1and65535.Defaults:10secondsforbroadcastandpoint‐to‐
pointnetworks;30secondsfor
non‐broadcastandpoint‐to‐multipoint
networks.
seconds Specifiesthenumberofsecondsthataroutermustwaittoreceivea
hellopacket.Deadintervalmustbethesameonneighboringrouters
(onaspecificsubnet),butcanvarybetweensubnets.Thisparameteris
anunsignedintegerrangingfrom1to65535.Default:40Seconds.