In my iptv stalker plus , i configured it with my last 03 MAC ADDRESS is 0B:FA:1F FROM PVR STALKER CLIENT, and my PVR STALKER CLIENT MAC ADDRESS IS START WITH 00:1A:79:0B:FA:1F, the question is iptv stalker always say that authentication fail, but my guide from my PVR STALKER CLIENT is run ok, why ???, could you help me solve this problem, thank.