MAC

Within the networking MAC stands for the Media Access Control Address. It is an identifier is allocated by the manufacturer to network adapters or NICs (Network Interface Card) for identification. It's utilized in MAC protocol sub-layer. Each and every Ethernet card has a built in MAC ...

Data Link layer provides reliable delivery of data across the network medium & translates messages from the network layer in bits for the physical layer. Its specifications define different network and protocol characteristics, including physical addressing, error notification, network topology and sequencing of frames. Data link protocols provide ...

How Switches Learn Addresses - A switch uses its bridge forwarding table (called a MAC table in Catalyst) address table when forwarding frames to devices. With an enpty bridge forwarding table, the switch must flood frames to all ports other than the one it arrivied on. This is ...