![]() Device like a hub delivers the network packets only, it is at the data link layer and is not visible and therefore needs no MAC address. Network devices will need a MAC address if they are to be explicitly addressed at Layer 2 to provide services based on higher layers. ![]() ![]() In the IEEE it is the bottom layer. MAC Address has nothing to do with Apple Mac. The MAC address is on the data link layer (layer 2) of the OSI model. MAC Address or Media Access Control Address is the hardware address of each network adapter, which is a unique identifier of the device in a network.
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