Deployment Guide

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 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.
You can configure Level 1 and Level 2 CSNP intervals independently.
isis hello-interval
Specify the length of time between hello packets sent.
C9000 Series
Syntax
isis hello-interval seconds [level-1 | level-2]
To return to the default values, use the no isis hello-interval [seconds] [level-1 |
level-2] command.
Parameters
seconds Allows you to set the length of time between hello packet transmissions. The range
is from 1 to 65535. The default is 10.
level-1 (OPTIONAL) Select this value to configure the hello interval for Level 1. This value
is the default.
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.
Intermediate System to Intermediate System (IS-IS) 829