stoilyt

Hello i set up my netduma to my netcomm router that my isp given to me i cant get in to the games because of my nattype failed i done the wan ip put it in the dmz in my isp modem router but im still getting the failed i done all the hard reset or reboot both my netduma and isp router modem even mu ps4 but still getting the failed everytime i do the internet test in my ps4 pls help me