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Command Modes
Command
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Usage
Information
area-password
e
Syntax
Parameters
Defaults
Command Modes
Usage
Information
Related
Commands
clear config
e
Syntax
822
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Intermediate System to Intermediate System (IS-IS)
ROUTER ISIS (for IPv4)
CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (for IPv6)
Version 7.5.1.0
Introduced IPv6 ISIS support
Version 6.3.1.0
Introduced
You cannot disable leaking from one level to another, however you can regulate the rate flow from one
level to another via an IP Prefix list. If the IP Prefix list is not configured, all routes are leaked.
Additional information can be found in IETF RFC 2966, Domain-wide Prefix Distribution with
Two-Level IS-IS.
Configure a Hash Message Authentication Code (HMAC) authentication password for an area.
area-password [hmac-md5 | encryption-type] password
To delete a password, enter no area-password.
hmac-md5
(OPTIONAL) Enter the keyword
encryption-type
(OPTIONAL) Enter 7 to encrypt the password using DES.
password
Enter a 1—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.
Not configured.
ROUTER ISIS
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.
domain-password
isis password
Clear IS-IS configurations that display under the
running-config
command output.
clear config
hmac-md5
Allows you to set the authentication password for a routing domain.
Allows you to configure an authentication password for an interface.
router isis
to encrypt the password.
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