Command Reference Guide

192 ● isis timer hello 3Com Router 5000 Family and Router 6000 Family
Command Reference
isis timer hello
Purpose Use the isis timer hello command to configure the interval of sending hello
message of corresponding level.
Use the undo isis timer hello command to restore the default value, that is,
10 seconds.
Syntax isis timer hello seconds [ level-1 | level-2 ]
undo isis timer hello [ level-1 | level-2 ]
Parameters seconds
Specifies the Hello message interval (in seconds). Valid
values are 3 to 255.
If no value is specified, the default value is 10 seconds.
level-1
Specifies the Level-1 Hello interval.
level-2
Specifies the Level-2 Hello interval.
If neither Level-1 nor Level-2 is specified, it is defaulted
to Level-1-2 Hello message interval, that is, both
Level-1 and Level-2 take effect.
Example Set the Hello message of Level-1 to be transmitted every 20 seconds on Interface
serial1/0/0.
[3Com ] interface serial1/0/0
[3Com -Serial1/0/0] isis timer hello 20 level-1
View This command can be used in the following views:
■ Interface view
Description On a broadcast link, Level-1 and Level-2 hello messages will be sent respectively and
their intervals should also be set respectively. Such settings are unnecessary on
point-to-point links. The shorter the sending interval is, the more system resources are
occupied to send hello messages. Therefore, the interval should be set according to
actual conditions.
Related Command isis timer dead