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ip ospf hello-interval
This command specifies the interval between sending hello packets on an
interface. Use the no form to restore the default value.
Syntax
ip ospf hello-interval seconds
no ip ospf hello-interval
seconds - Interval at which hello packets are sent from an interface.
This interval must be set to the same value for all routers on the
network. (Range: 1-65535)
Command Mode
Interface Configuration (VLAN)
Default Setting
10 seconds
Command Usage
Hello packets are used to inform other routers that the sending router is
still active. Setting the hello interval to a smaller value can reduce the
delay in detecting topological changes, but will increase routing traffic.
Example
ip ospf priority
This command sets the router priority used when determining the designated
router (DR) and backup designated router (BDR) for an area. Use the no
form to restore the default value.
Syntax
ip ospf priority priority
no ip ospf priority
priority - Sets the interface priority for this router. (Range: 0-255)
Console(config)#interface vlan 1
Console(config-if)#ip ospf hello-interval 5
Console(config-if)#