Network Login must be disabled on a port before you can delete a
          VLAN that contains that port. You can set a reauthentication
        maximum counter value to indicate the number of reauthentication trials after which the
        supplicant is denied access or given limited access.
     
    
    - 
        To enable 802.1X network login on the switch, use the
          following command:
        
enable
            netlogin dot1x Any combination of types of authentication can be enabled on the
          same switch. At least one of the authentication types must be specified on the CLI.
       - 
        To disable 802.1X network login on the switch, use the
          following command:
        
disable
            netlogin dot1x
       - 
        To enable 802.1X network login on one or more ports, use
          the following command:
        
enable
            netlogin ports portlist dot1x
        
       - 
        To disable 802.1X network login on one or more ports, use
          the following command:
        
disable
            netlogin ports portlist dot1x
        
       - 
        To configure the reauthentication counter values, use the
          following command:
        
configure
            netlogin dot1x timers