Media Access Control - Functions Performed in The MAC Sublayer

Functions Performed in The MAC Sublayer

According to 802.3-2002 section 4.1.4, the functions required of a MAC are:

  • receive/transmit normal frames
  • half-duplex retransmission and backoff functions
  • append/check FCS (frame check sequence)
  • interframe gap enforcement
  • discard malformed frames
  • append(tx)/remove(rx) preamble, SFD, and padding
  • half-duplex compatibility: append(tx)/remove(rx) MAC address

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