Command Reference Guide

222 ● ospf timer dead 3Com Router 5000 Family and Router 6000 Family
Command Reference
ospf timer dead
Purpose Use the ospf timer dead command to configure the dead interval of the OSPF
neighbor.
Use the undo ospf timer dead command to restore the default value of the
dead interval of the neighbor.
Syntax ospf timer dead seconds
undo ospf timer dead
Parameters seconds
Dead interval of the OSPF neighbor (in seconds). Valid
values are 1 to 65535.
Default By default, the dead interval for the OSPF neighbors of p2p and broadcast interfaces
is 40 seconds, and for those of p2mp and nbma interfaces is 120 seconds.
Example Set the neighbor dead interval on the interface serial1/0/0 to 80 seconds.
[3Com ] interface serial1/0/0
[3Com -serial1/0/0] ospf timer dead 80
View This command can be used in the following views:
■ Interface view
Description The dead interval of OSPF neighbors means that within this interval, if no Hello
message is received from the neighbor, the neighbor will be considered to be invalid.
The value of dead seconds should be at least four times the value of the Hello
seconds. The dead seconds for the routers on the same network segment must be
identical.
Related Command ospf timer hello