MAC address - Hsanokklis/2022-2023-Tech-journal GitHub Wiki

"Media access control"

  • Networked devices have an electronic hardware interface to the LAN called a Network Interface Card (NIC). The NIC contains the MAC (Media Access Control) address.
  • These are hard coded and operate at OSI layer 2. Comparatively, IP addresses are at OSI layer 3.
  • Consists of 6 bytes or 48 bits
  • Displayed in 12 hexadecimal digits ex: 33:c4:d8:90:e2:fb
  • The first 6 hex codes are used to indicate the organizationally unique identifier (OUI)
  • MAC address is assigned by the manufacturer/vendor

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