Deployment Guide
ip ospf dead-interval
Set the time interval since the last hello-packet was received from a router. After the interval elapses, the neighboring routers declare the
router dead.
Syntax
ip ospf dead-interval seconds
To return to the default values, use the no ip ospf dead-interval command.
Parameters
seconds Enter the number of seconds for the interval. The range is from 1 to 65535. The default is
40 seconds.
Defaults 40 seconds
Command Modes INTERFACE
Supported Modes Full—Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information By default, the dead interval is four times the default hello-interval.
Related Commands ip ospf hello-interval — sets the time interval between the hello packets.
ip ospf hello-interval
Specify the time interval between the hello packets sent on the interface.
Syntax
ip ospf hello-interval seconds
To return to the default value, use the no ip ospf hello-interval command.
Parameters
seconds Enter the number of seconds for the interval. The range is from 1 to 65535. The default is
10 seconds.
Defaults 10 seconds
Command Modes INTERFACE
Supported Modes Full—Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information The time interval between the hello packets must be the same for routers in a network.
Related Commands ip ospf dead-interval — sets the time interval before a router is declared dead.
Open Shortest Path First (OSPFv2 and OSPFv3) 923