Catalyst 3750-E and 3560-E Switch Cisco IOS ... - DNIP . NET

authentication port-controlChapter 2Catalyst 3750-E and 3560-E Switch Cisco IOS Commandsauthentication port-controlUse the authentication port-control interface configuration command to enable manual control of theport authorization state. Use the no form of this command to return to the default setting.authentication port-control {auto | force-authorized | force-un authorized}no authentication port-control {auto | force-authorized | force-un authorized}Syntax Descriptionautoforce-authorizedforce-un authorizedEnable authentication on the port. The port changes to the authorized orunauthorized state based, on the authentication exchange between theswitch and the client.Disable authentication on the port. The port changes to the authorized statewithout an authentication exchange. The port sends and receives normaltraffic without authentication of the client.Deny all access the port. The port changes to the unauthorized state,ignoring all attempts by the client to authenticate. The switch cannotprovide authentication services to the client through the port.DefaultsThe default setting is force-authorized.Command ModesInterface configurationCommand HistoryRelease12.2(50)SEModificationThis command was introduced.Usage GuidelinesUse the auto keyword only on one of these port types:• Trunk port—If you try to enable authentication on a trunk port, an error message appears, and is notenabled. If you try to change the mode of an port to trunk, an error message appears, and the portmode is not changed.• Dynamic ports—A dynamic port can negotiate with its neighbor to become a trunk port. If you tryto enable authentication on a dynamic port, an error message appears, and authentication is notenabled. If you try to change the mode of an port to dynamic, an error message appears, and the portmode does not change.• Dynamic-access ports—If you try to enable authentication on a dynamic-access (VLAN QueryProtocol [VQP]) port, an error message appears, and authentication is not enabled. If you try tochange an port to dynamic VLAN, an error message appears, and the VLAN configuration does notchange.2-42Catalyst 3750-E and 3560-E Switch Command ReferenceOL-9776-08