C
HAPTER
45
| IP Routing Commands
Open Shortest Path First (OSPFv2)
– 1064 –
ip ospf dead-interval This command sets the interval at which hello packets are not seen before
neighbors declare the router down. Use the no form to restore the default
value.
SYNTAX
ip ospf [ip-address] dead-interval seconds
no ip ospf [ip-address] dead-interval
ip-address - This parameter can be used to indicate a specific IP
address connected to the current interface. If not specified, the
command applies to all networks connected to the current interface.
seconds - The maximum time that neighbor routers can wait for a
hello packet before declaring the transmitting router down. 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
40, or four times the interval specified by the ip ospf hello-interval
command.
COMMAND USAGE
The dead-interval is advertised in the router's hello packets. It must be a
multiple of the hello-interval and be the same for all routers on a specific
network.
EXAMPLE
Console(config)#interface vlan 1
Console(config-if)#ip ospf dead-interval 50
Console(config-if)#
RELATED COMMANDS
ip ospf hello-interval (1065)
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