802.2 LLC Layer Functions

• Logical Link Control Layer (LLC)

  • Links subnet to next-higher-layer (internet)
  • One LLC standard (802.2) for all 802 LANs
  • Makes interface to internet layer simple

Internet Layer

802.2 LLC

802.3 MAC

802.3 10Base-T

Internet Layer

802.2 LLC

802.3 MAC

802.3 100Base-T

Internet Layer

802.2 LLC

802.5 MAC

802.5 16 Mbps

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