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Parameters
seconds
: Specifies the interval in seconds for sending hello packets, in the range of 3 to 255.
level-1
: Specifies the interval for sending Level-1 hello packets.
level-2
: Specifies the interval for sending Level-2 hello packets.
Usage guidelines
Level-1 and Level-2 hello packets are sent independently on a broadcast network, so you need to specify
an interval for each level. On a P2P link, Level-1 and Level-2 packets are both sent in P2P hello packets,
and you need not specify an interval for each level.
You can configure keywords
level-1
and
level-2
only on broadcast interfaces. Before you do that, enable
IS-IS on the interface.
The shorter the interval, the more system resources will be occupied. Configure a proper interval as
needed.
If no level is specified, the hello interval applies to both Level-1 and Level-2.
Examples
# Configure Level-2 hello packets to be sent every 20 seconds over VLAN-interface 10.
<Sysname> system-view
[Sysname] interface vlan-interface 10
[Sysname-Vlan-interface10] isis timer hello 20 level-2
Related commands
isis timer holding-multiplier
isis timer holding-multiplier
Use
isis timer holding-multiplier
to specify the IS-IS hello multiplier.
Use
undo isis timer holding-multiplier
to remove the configuration.
Syntax
isis timer holding-multiplier
value
[
level-1
|
level-2
]
undo isis timer holding-multiplier
[
level-1
|
level-2
]
Default
The default IS-IS hello multiplier is 3.
Views
Interface view
Predefined user roles
network-admin
Parameters
value
: Specifies the number of hello intervals, in the range of 3 to 1000.
level-1
: Applies the number to the Level-1 IS-IS neighbor.
level-2
: Applies the number to the Level-2 IS-IS neighbor.