Use this command to configure IS-IS authentication only on sent IS-IS frames.
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. |
If no level option is specified, IS-IS authentication is configured for sent IS-IS frames for both level 1 and level 2.
IS-IS router configuration.
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.
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)->