Sohu Tech Products
Jul 22, 2020 · Fundamentals
Understanding MAC Addresses: Structure, Allocation, Modification, and LAN Communication
This article explains the 48‑bit MAC address format, IEEE allocation rules, address block sizes, how to modify MAC addresses on Linux and macOS, and the role of MAC addresses in Ethernet frames, ARP, and LAN communication, highlighting practical considerations and limitations.
ARPEthernetLAN
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