Command Line Reference Guide

798 | Intermediate System to Intermediate System (IS-IS)
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domain-password
e
Set the authentication password for a routing domain.
Syntax
domain-password [hmac-md5 | encryption-type] password
To disable the password, enter no domain-password.
Parameters
Defaults
No default password.
Command Modes
ROUTER ISIS
Usage
Information
The domain password is inserted in Level 2 link state PDUs (LSPs), complete sequence number PDUs
(CSNPs), and partial sequence number PDUs (PSNPs).
Related
Commands
graceful-restart ietf
e
Enable Graceful Restart on an IS-IS router.
Syntax
graceful-restart ietf
To return to the default, use the no graceful-restart ietf command.
Parameters
Defaults
Default is Graceful Restart disabled
Command Modes
ROUTER ISIS
Command
History
Usage
Information
A Restart TLV included in every Graceful Restart enabled router’s HELLO PDUs. This enables the
(re)starting as well as the existing ISIS peers to detect the GR capability of the routers on the connected
network. A flag in the Restart TLV contains Restart Request (RR), Restart Acknowledge (RA) and
Suppress Adjacency Advertisement (SA) bit flags.
The ISIS Graceful Restart enabled router can co-exist in mixed topologies where some routers are
Graceful Restart enabled and others are not. For neighbors that are not Graceful Restart enabled, the
restarting router brings up the adjacency per the usual methods.
hmac-md5
(OPTIONAL) Enter the keyword hmac-md5 to encrypt the password using MD5.
encryption-type
(OPTIONAL) Enter 7 to encrypt the password using DES.
password
Enter an alphanumeric string up to 16 characters long.
If you do not specify an encryption type or hmac-md5 keywords, the password is
processed as plain text which provides limited security.
area-password Configure an IS-IS area authentication password.
isis password Configure the authentication password for an interface.
ietf Enter ietf to enable Graceful Restart on the IS-IS router.
Version 8.3.1.0 Introduced on the E-Series