Connected: An Internet Encyclopedia
Header Format
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Header Format

Header Format 

                                                                  Header

   ...--------+--------+--------+
              MAC Header        |                        802.{3/4/5} MAC
   ...--------+--------+--------+


   +--------+--------+--------+
   | DSAP=K1| SSAP=K1| Control|                                802.2 LLC
   +--------+--------+--------+

   +--------+--------+---------+--------+--------+
   |Protocol Id or Org Code =K2|    EtherType    |            802.2 SNAP
   +--------+--------+---------+--------+--------+

The total length of the LLC Header and the SNAP header is 8-octets, making the 802.2 protocol overhead come out on an nice boundary.

The K1 value is 170 (decimal).

The K2 value is 0 (zero).

The control value is 3 (Unnumbered Information).

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Connected: An Internet Encyclopedia
Header Format

 

Dies ist ein Mirror von Connected: An Internet Encyclopedia von Brent Baccala. Die offizielle Projekt-Homepage findet sich im Web unter www.freesoft.org/CIE. Dieser Mirror wurde zuletzt aktualisiert am Samstag, 28 Januar 2006 18:17 +0100.