Reference Guide

Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
Usage
Information
If this command is not configured, cost is based on the auto-cost command.
When you configure OSPF over multiple vendors, use the ip ospf cost command to
ensure that all routers use the same cost. Otherwise, OSPF routes improperly.
Related
Commands
auto-cost – controls how the OSPF interface cost is calculated.
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
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.1
Introduced on the E-Series.
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.
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