Reference Guide

922 | Intermediate System to Intermediate System (IS-IS)
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Parameters
Defaults
seconds = 10; level-1 (if not otherwise specified)
Command Modes
INTERFACE
Command
History
Usage
Information
The default values of this command are typically satisfactory transmission times for a specific interface
on a designated intermediate system. To maintain database synchronization, the designated routers
send CSNPs.
Level 1 and Level 2 CSNP intervals can be configured independently.
isis hello-interval
e
Specify the length of time between hello packets sent.
Syntax
isis hello-interval seconds [level-1 | level-2]
To return to the default values, enter the no isis hello-interval [seconds] [level-1 | level-2]
command.
Parameters
Defaults
seconds = 10; level-1 (if not otherwise specified)
Command Modes
INTERFACE
Command
History
seconds
Interval of transmission time between CSNPs on multi-access networks for the designated
intermediate system.
Range: 0 to 65535
Default: 10
level-1
(OPTIONAL) Independently configures the interval of time between transmission of CSNPs
for Level 1.
level-2
(OPTIONAL) Independently configures the interval of time between transmission of CSNPs
for Level 2.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
seconds
Allows you to set the length of time between hello packet transmissions.
Range: 1 to 65535
Default: 10
level-1
(OPTIONAL) Select this value to configure the hello interval for Level 1.
This is the default.
level-2
(OPTIONAL) Select this value to configure the hello interval for Level 2.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810