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Protocol

Ethernet II

DIX Ethernet · IEEE 802.3 with EtherType

Lab ready Full lab

Ubiquitous LAN frame: 6-byte MACs, 2-byte EtherType, payload, and 32-bit FCS. Preamble/SFD precede the frame on the wire; 802.1Q inserts a VLAN tag before the EtherType.

Domains

  • internet
  • industrial
  • ai

Layers

  • datalink
  • physical

Tags

macethertypefcsvlancrc32

Sources

  • IEEE 802.3
  • IEEE 802.1Q (VLAN tagging)

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