Reference Guide

Version
8.3.19.0
Introduced on the S4820T.
Version
8.3.12.0
Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
Usage
Information
Hello packets are held for a length of three times the value of the hello interval. To
conserve bandwidth and CPU usage, use a high hello interval seconds. Use a low
hello interval seconds for faster convergence (but uses more bandwidth and CPU
resources).
Related
Commands
isis hello-multiplier — specifies the number of IS-IS hello packets a neighbor must
miss before the router declares the adjacency as down.
isis hello-multiplier
Specify the number of IS-IS hello packets a neighbor must miss before the router declares the adjacency
down.
S4820T
Syntax
isis hello-multiplier multiplier [level-1 | level-2]
To return to the default values, use the no isis hello-multiplier
[multiplier] [level-1 | level-2] command.
Parameters
multiplier Specifies an integer that sets the multiplier for the hello
holding time. Never configure a hello-multiplier lower than
the default (3). The range is from 3 to 1000. The default is 3.
level-1 (OPTIONAL) Select this value to configure the hello multiplier
independently for Level 1 adjacencies. This value is the
default.
level-2 (OPTONAL) Select this value to configure the hello multiplier
independently for Level 2 adjacencies.
Defaults multiplier = 3; level-1 (if not otherwise specified)
Command
Modes
INTERFACE
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Intermediate System to Intermediate System (IS-IS)
987