As I understand it, the OUI should never have a "1" in the 7th bit if the MAC is a globally unique address assigned by the IEEE. "It is worth noticing that in the OUI portion, the globally unique addresses assigned by the IEEE has always been set to ...
"0" is the value of the universal/local bit to indicate Global scope.This line from the appendix is referring to the MAC address. 0 on the seventh bit in the MAC is used to indicate global scope. In contrast, 1 is used on the seventh bit in the inte...