World of Computer Networking Your CCNA start - Structure of a Media Access Control (MAC) Address

The video tutorial explains the structure of MAC addresses, which consist of 48 bits or six octets. It details the two sections of a MAC address: the Organizationally Unique Identifier (OUI) and the Network Interface Controller (NIC) specific part. The OUI is assigned by the IEEE to different manufacturers, allowing them to distribute MAC addresses uniquely. The tutorial also discusses how tools like Wireshark use OUI prefixes to identify manufacturers. The importance of unique MAC addresses is emphasized, with a potential total of 2^48 unique addresses available globally. The video concludes with a brief mention of upcoming topics on MAC address notations.

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