CLI Guide
Version Description
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
You cannot disable leaking from one level to another; however, you can regulate the rate ow from one level to
another using an IP Prex list. If you do not congure the IP Prex list, all routes are leaked.
You can nd more information in IETF RFC 2966, Domain-wide Prex Distribution with Two-Level IS-IS.
area-password
Congure 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 congured.
Command Modes ROUTER ISIS
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
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 congured password injects into Level 1 LSPs, CSNPs, and PSNPs.
Related Commands
• domain-password — allows you to set the authentication password for a routing domain.
• isis password — allows you to congure an authentication password for an interface.
clear cong
Clear IS-IS congurations that display under the router isis heading of the show running-config command output.
Syntax
clear config
Command Modes ROUTER ISIS
758 Intermediate System to Intermediate System (IS-IS)