Reference Guide

Intermediate System to Intermediate System (IS-IS) | 905
Command
History
Usage
Information
Use the area-password command on routers within an area to prevent the link state database from
receiving incorrect routing information from unauthorized routers.
The password configured is injected into Level 1 LSPs, CSNPs, and PSNPs.
Related
Commands
clear config
e
Clear IS-IS configurations that display under the router isis heading of the show
running-config command output.
Syntax
clear config
Command Modes
ROUTER ISIS
Usage
Information
Use caution when you enter this command. Back up your configuration prior to using this command or
your IS-IS configuration will be erased.
Related
Commands
clear isis
e
Restart the IS-IS process. All IS-IS data is cleared.
Syntax
clear isis [tag] {* | database | traffic}
Parameters
Command Modes
EXEC Privilege
Command
History
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
domain-password
Allows you to set the authentication password for a routing domain.
isis password
Allows you to configure an authentication password for an interface.
copy Use this command to save the current configuration to another location.
tag
(Optional) Enter an alphanumeric string to specify the IS-IS routing tag area.
*
Enter the keyword * to clear all IS-IS information and restarts the IS-IS process. This
command removes IS-IS neighbor information and IS-IS LSP database information and
the full SPF calculation will be done.
database
Clears IS-IS LSP database information.
traffic
Clears IS-IS counters.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810