802.3 Ethernet MAC Layer Frame

• Tag Fields Being Added

  • Added after address fields
  • To designate priority (frames with higher priority go first if there is congestion)
  • To designate VLANs (Ch. 8)
  • 802.1Q standardizes overall structure
  • 802.1p standardizes priority levels

Pre

SFD

DA

SA

Len

Data

PAD

FCS

TPID

TCI

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