Switch 7700 Command reference Guide, v2.0

178 CHAPTER 5: USING ROUTING PROTOCOL COMMANDS
Example
Set the Level-2 Hello interval to 30 seconds on Interface Vlan-interface 1.
[SW7700]interface Vlan-interface 1
[SW7700-Vlan-interface1]isis enable
[SW7700-Pos 1/0/0]isis timer hello 30 level-2
isis timer hello Syntax
isis timer hello seconds [ level-1 | level-2 ]
undo isis timer hello [ level-1 | level-2 ]
View
VLAN interface view
Parameter
seconds: Specify the Hello interval, ranging from 3 to 255 and measured in
seconds. The default value is 10 seconds.
level-1: Specify the Level-1 Hello interval.
level-2: Specify the Level-2 Hello interval.
If the level is not specified, it defaults to setting the Hello interval at Level-1.
Description
■ Use the isis timer hello command to configure the interval of sending
hello packet of corresponding level.
■ Use the undo isis timer hello command to restore the default value, that
is, 10 seconds.
On a broadcast link, level-1 and level-2 hello packets 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 packets. Therefore, the interval should be set according
to actual conditions.
Related command: isis timer dead.
Example
Set the Hello packet of Level-2 to be transmitted every 20 seconds on Interface
Vlan-interface 1.
[SW7700]interface Vlan-interface 1
[SW7700-Vlan-interface1]isis timer hello 20 level-2
isis timer lsp Syntax
isis timer lsp time
undo isis timer lsp