Reference Guide

isis hello-multiplier
Specify the number of IS-IS hello packets a neighbor must miss before the router declares the adjacency
down.
C9000 Series
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.
Version Description
9.9(0.0) Introduced on the C9010.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
Usage Information
The holdtime (the product of the hello-multiplier multiplied by the hello-interval)
determines how long a neighbor waits for a hello packet before declaring the
neighbor is down so routes can be recalculated.
Related
Commands
isis hello-interval — specifies the length of time between hello packets.
1010
Intermediate System to Intermediate System (IS-IS)