authentication send-only

Use this command to configure IS-IS authentication only on sent IS-IS frames.

Syntax

authentication send-only [level-1 | level-1-2 | level-2]
no authentication send-only [level-1 | level-1-2 | level-2]

Parameters

level-1 (Optional) Specifies that the authentication send-only configuration should be restricted to level 1.
level-1-2 (Optional) Specifies that the authentication send-only configuration should be applied to both level 1 and level 2.
level-2 (Optional) Specifies that the authentication send-only configuration should be restricted to level 2.

Defaults

If no level option is specified, IS-IS authentication is configured for sent IS-IS frames for both level 1 and level 2.

Mode

IS-IS router configuration.

Usage

The “no” form of this command removes the IS-IS authentication send only configuration for the specified level or both level 1 and level 2.

Example

This example shows how to configure the IS-IS authentication on sent IS-IS frames only for level 1:

System(rw)->configure
System(rw-config)->router isis
System(rw-config-isis)->authentication send-only level-1
System(rw-config-isis)->