During a 802.1X deployment, an engineer must identify failed authentications without causing problems for the connected endpoint. Which command will successfully achieve this?
A- Monitor mode is enabled through 802.1X with the open access and multi-auth mode features of Cisco IOS. Monitor mode is configured with the authentication open and authentication host-mode multi-auth interface commands.802.1X-enabled ports do not block traffic before successful authentication and authorization, as they would normally. This feature allows you to create an initial Cisco ISE deployment and learn about your network without having to worry about blocking access unintentionally.
according to CHatGPT
The "dot1x system-auth-control" command is used to enable the switch to control network access based on the authentication status received from the authentication server. When this command is enabled, the switch can identify failed authentications without disrupting the connected endpoint. It allows the switch to enforce port-based access control and only grant network access to endpoints that successfully authenticate. If an authentication fails, the switch can handle it appropriately without causing disruptions or problems for the connected endpoint.
The correct answer is authentication port-control auto.
The authentication port-control auto command enables 802.1X authentication on a port and allows the port to remain open even if authentication fails. This is useful for troubleshooting 802.1X authentication issues, as it allows the engineer to identify failed authentications without causing problems for the connected endpoint.
The other options are incorrect because they do not enable 802.1X authentication on a port or allow the port to remain open even if authentication fails.
Gotta be A, as per Cisco support:
Both dot1x and MAB are methods of authentication for a port, whereas authentication open provides no authentication for a port, it allows all traffic through if a host is authenticated successfully or not.
It is used when setting up dot1x configurations in monitor mode. You could have both dot1x/MAB authentication and authentication open to log authentication details but allow a user access even if they fail authentication.
The correct answer is A
failed authentications create an Access-Reject message.
authentication open configured on the interface tells the session manager to ignore Access-Reject. authentication open ignores AuthC but respects AuthZ
I think shonda is right it is A ... B it is for enable PAE protocol on interface level for dot 1 x
upvoted 2 times
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