Administrator Guide

level-2 (OPTIONAL) Select this value to configure the hello interval for Level 2.
Defaults seconds = 10; 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
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.
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.
Intermediate System to Intermediate System (IS-IS) 801