Dot1x port-control auto protocol down (ACS5.3)

[cameroun]

Hello everyone! 

I urgently need your help please. 
I would like to configure the ports of a switch for 802.1x. 

when I type the command: Dot1x harbor auto-control on the interface, the protocol is down and users are disconnected wiring. 

Can someone help me please? it is really urgent.

thank you in advance

[edwardcollins7]

Is this the command that you are using ?

"Dot1x harbor auto-control"

What else do you have for dot1x on this device?

Rate if Useful :)

Sharing knowledge makes you Immortal.

Regards,

Ed

[cameroun]

hello

thank you for your answer.

bellow is the configuration  that i've configured on the switchs:

configure terminal
  aaa new-model
  aaa authentication dot1x default group radius
  !
  interface fastethernet0/1
  dot1x port-control auto
  end

 radius-server host x.x.x.x auth-port 1612 key xxxx

but the command : dot1x port-control auto , cause protocol dows but the port status is UP.

I did not understand the function of this command:"Dot1x harbor auto-control" 

could you tell me a little more?

thank you in advance.