anchor.diff:  process_ifopt([], Acc) ->
       Acc;
   process_ifopt([{addr,IP}|Rest], Acc) ->
  -    IE = control_address(IP),
  -    process_ifopt(Rest, [IE|Acc]);
  +    process_ifopt(Rest, [IP|Acc]);
   process_ifopt([_|Rest], Acc) ->
       process_ifopt(Rest, Acc).
   
  
positive.code:     {queue:peek(Queue1), State#state{request_queue = Queue1}}.
  
  control_addresses(App) ->
      case application:get_env(App, control_ips) of
  	{ok, IPs} when is_list(IPs) ->
  	    [control_address(IP) || IP <- IPs];
  	_ ->
  	    case application:get_env(App, server_ip) of
  		{ok, IP} ->
  		    [control_address(IP)];
  		_ ->
  		    all_local_control_addresses()
  	    end
      end.
  
  control_address({A,B,C,D}) ->
      #control_ipv4_address{ip_address = <<A,B,C,D>>,
  
negative.code:                 end,
      AdminWlans = get_admin_wifi_updates(State, Elements),
      {ok, WlanHoldTime} = ctld_session:attr_get('CAPWAP-Wlan-Hold-Time', SessionOpts),
      RespElements = [#timers{discovery = DiscoveryInterval,
                              echo_request = EchoRequestInterval},
                      #tp_data_channel_dead_interval{data_channel_dead_interval = DataChannelDeadInterval},
                      #tp_ac_join_timeout{ac_join_timeout = ACJoinTimeout},
  