IEEE 802.3

IEEE 802.3
802.3

   <networking> The {IEEE} standard defining the {hardware layer}
   and {transport layer} of (a varient of) {Ethernet}.  The
   maximum {segment} length is 500m and the maximum total length
   is 2.5km.  The maximum number of hosts is 1024.

   The maximum {packet} size is 1518 bytes.  If the upper layer
   {protocol} submits a {PDU} less than 64 bytes, 802.3 will pad
   the {LLC Info} field to achieve the minimum 64 bytes.

   Although it is not technically correct, the terms "{packet}"
   and frame are used interchangeably.  The {ISO}/{IEC} 8802-3
   {ANSI}/{IEEE} 802.3 Standards refer to {MAC} sub-layer
   {frames} consisting of the Destination Address, Source
   Address, Length, LLC Info., and {FCS} fields.  The {Preamble}
   and {SFD} are (usually) considered a header to the {MAC}
   Frame.  This header plus the MAC Frame constitute a "Packet".

   (1995-07-09)