Enables 802.1x authentication on a port.
802.1x authentication is disabled for ports.
Interface configuration mode
Port control must be configured to activate authentication on an 802.1x-enabled interface using the dot1x port-control auto command from interface configuration mode.
Before activating the authentication using the dot1x port-control auto command on a port, you must remove configured static ACLs and static VLANs, if any, from the port.
Enter the no dot1x authentication command to disable dot1x on the port and remove the configuration from 802.1x management.
The following example enables 802.1x authentication on a specific port:
device# configure terminal device(config)# interface Ethernet 1/1 device(conf-if-eth-1/1)# dot1x authentication