anchor.diff:  		    {'Username', MACStr},
   		    {'Calling-Station', MACStr},
   		    {'Location-Id', WtpId},
  +		    {'BSSID', BSSIDStr},
  +		    {'SSID', SSID},
   		    {'CAPWAP-Session-Id', <<WtpSessionId:128>>}],
       SessionData1 = add_tunnel_info(WTPDataChannelAddress, SessionData0),
       {ok, Session} = ergw_aaa_session_sup:new_session(self(), to_session(SessionData1)),
  
positive.code:           data_channel_address,
  	  wtp_id,
  	  wtp_session_id,
            mac,
            mac_mode,
            tunnel_mode,
  
negative.code:     State#state{
        capabilities =
  	  Cap#sta_cap{last_rsne = RSNE, rsn = RSN}};
  
  update_sta_from_mgmt_frame_ie(IE = {?WLAN_EID_SSID, SSID},
  			      #state{} = State) ->
      State#state{ssid = SSID };
  
  
  update_sta_from_mgmt_frame_ie(IE = {_Id, _Value}, State) ->
      lager:debug("Mgmt IE: ~p", [IE]),
  