ip ospf hello-interval
20-18 IPv4 Routing Protocol Configuration
Example
Thisexampleshowshowtosetthetimerequiredtotransmitalinkstateupdat epacketonthe
VLAN1interfaceat20seconds:
C2(su)->router(Config)#interface vlan 1
C2(su)->router(Config-if(Vlan 1))#ip ospf transmit-delay 20
ip ospf hello-interval
Usethiscommandtosetthenumberofsecondsaroutermustwaitbeforesendingahellopacket
toneighborroutersonaninterface.Thenoformofthiscommandsetsthehellointervalvalueto
thedefaultvalueof10seconds.
Syntax
ip ospf hello-interval seconds
no ip ospf hello-interval
Parameters
Defaults
None.
Mode
Interfaceconfiguration:C2(su)‐>router(Config‐if(Vlan1))#
Example
Thisexampleshowshowtosetthehellointervalto5fortheVLAN1interface:
C2(su)->router(Config)#interface vlan 1
C2(su)->router(Config-if(Vlan 1))#ip ospf hello-interval 5
ip ospf dead-interval
Usethiscommandtosetthenumberofsecondsaroutermustwaittoreceiveahellopacketfrom
itsneighborbeforedeterminingthattheneighborisoutofservice.Thenoformofthiscommand
setsthedeadint ervalvaluetothedefaultvalueof40seconds.
Syntax
ip ospf dead-interval seconds
no ip ospf dead-interval
seconds Specifiesthehellointervalinseconds.Hellointervalmustbethesameon
neighboringrouters(onaspecificsubnet),butcanvarybetweensubnets.
Thisparameterisanunsignedintegerwithvalidvaluesbetween1and
65535.