Use this command to configure IS-IS authentication only on sent IS-IS frames on an interface.
| level-1 | (Optional) Specifies that the authentication send-only configuration should be restricted to level 1. |
| level-2 | (Optional) Specifies that the authentication send-only configuration should be restricted to level 2. |
If no option is specified, IS-IS authentication is configured for sent IS-IS frames only for both level 1 and level 2.
Interface configuration.
The “no” form of this command removes the IS-IS authentication send only configuration.
This example shows how to configure VLAN 100 to authenticate sent IS-IS frames only for level 1:
System(rw)->configure System(rw-config)->interface vlan 100 System(rw-config-intf-vlan.0.100)->authentication send-only level-1 System(rw-config-intf-vlan.0.100)->
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