??? ??? ?? ???? ????? ???? ??? ?? ??????.??? ??? ?? ????? ??? ?? ??? ?????. ??? ????? ??? ?? ????? ??????. ??? ??????? ???? ??? ??? ??? ???? ????? ??? ?????.Every community interface has a single distinctive MAC Deal with, but a technique with multiple network product might have multiple MAC Deal with. Such as, a laptop with an ethernet port and wi