Users Guide

Version Description
7.5.1.0 Added IPv6 ISIS support.
6.3.1.0 Version 6.3.1.0 Introduced
Usage Information
You cannot disable leaking from Level 1 to Level 2. Also, you cannot enable leaking from Level 2 to Level 1.
However, you can regulate the rate ow from one level to another using an IP Prex list. If you do not
congure the IP Prex list, all Level 1 routes are leaked.
You can nd more information in IETF RFC 2966, Domain-wide Prex Distribution with Two-Level IS-IS.
area-password
Congure a hash message authentication code (HMAC) password for an area.
Syntax
area-password [hmac-md5 | encryption-type] password
To delete a password, use the no area-password command.
Parameters
hmac-md5 (OPTIONAL) Enter the keywords hmac-md5 to encrypt the password.
encryption-type (OPTIONAL) Enter 7 to encrypt the password using DES.
password Enter a 1 to 16-character length alphanumeric string to prevent unauthorized
access or incorrect routing information corrupting the link state database. The
password is processed as plain text, which only provides limited security.
Defaults Not congured.
Command Modes ROUTER ISIS
Command History
This guide is platform-specic. 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
9.7(0.0) Introduced on the S6000-ON.
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
To prevent the link state database from receiving incorrect routing information from unauthorized routers,
use the area-password command on routers within an area.
The congured password injects into Level 1 LSPs, CSNPs, and PSNPs.
Related Commands
• domain-password — allows you to set the authentication password for a routing domain.
856
Intermediate System to Intermediate System (IS-IS)