Configuring 802.1x Port-Based Authentication
Resetting the 802.1x configuration to the default values

Beginning in privileged EXEC mode, follow these steps to reset the 802.1x configuration to the default values :

Step 1 Enter global configuration mode.
Step 2 Reset the configurable 802.1x parameters to the default values with the dot1x default command.
Step 3 Return to privileged EXEC mode.
Step 4 Verify the configuration with the show dot1x command.