The Ethertype Identifier

The Ethertype value appears following the Source Address field in a Version 2 Ethernet frame. This value also appears as the Type field in a Sub-Network Access Protocol (SNAP) header in SAP “AA” in Logical Link Control / 802.2. (The compendium contains discussions of Version 2 Ethernet and Logical Link Control.)The purpose for the Ethertype is to provide an identifier whereby the communications software can differentiate between various types of protocols. A different protocol handler is used for different function, and the Ethertype identifies the frame as belonging to one or another protocol family.

Ethertype Listing

Value Description
0000-05DC IEEE 802.3 Length Fields
0101-01FF Experimental (for development) — Conflicts with 802.3 Length Fields
0200 Xerox PUP — Conflicts with 802.3 Length Field
0201 PUP Address Translation — Conflicts with 802.3 Length Fields
0600 Xerox XNS IDP
0800 DOD IP
0801 X.75 Internet
0802 NBS Internet
0803 ECMA Internet
0804 CHAOSnet
0805 X.25 Level 3
0806 ARP (for IP and CHAOS)
0807 Xerox XNS Compatibility
081C Symbolics Private
0888-088A Xyplex
0900 Ungermann-Bass network debugger
0A00 Xerox 802.3 PUP
0A01 Xerox 802.3 PUP Address Translation
0A02 Xerox PUP CAL Protocol (unused)
0BAD Banyan Systems, Inc.

1000

Value Description
1000 Berkeley Trailer negotiation
1001-100F Berkeley Trailer encapsulation for IP
1066 VALIS Systems
1600 VALID Systems
3C01-3C0D 3Com Corporation
3C10-3C14 3Com Corporation
4242 PCS Basic Block Protocol
5208 BBN Simnet Private

6000

Value Description
6000 DEC Unassigned
6001 DEC MOP Dump/Load Assistance
6002 DEC MOP Remote Console
6003 DEC DECnet Phase IV
6004 DEC LAT
6005 DEC DECnet Diagnostic Protocol: DECnet Customer Use
6007 DEC DECnet LAVC
6008 DEC Amber
6009 DEC MUMPS
6010-6014 3Com Corporation

7000

Value Description
7000 Ungermann-Bass download
7001 Ungermann-Bass NIU
7002 Ungermann-Bass diagnostic/loopback
7007 OS/9 Microware
7020-7028 LRT (England)
7030 Proteon
7034 Cabletron

8000

Value Description
8003 Cronus VLN
8004 Cronus Direct
8005 HP Probe protocol
8006 Nestar
8008 AT&T
8010 Excelan
8013 SGI diagnostic type (obsolete)
8014 SGI network games (obsolete)
8015 SGI reserved type (obsolete)
8016 SGI “bounce server” (obsolete)
8019 Apollo
802E Tymshare
802F Tigan, Inc.
8035 Reverse ARP (RARP)
8036 Aeonic Systems
8038 DEC LANBridge
8039 DEC DSM
803A DEC Aragon
803B DEC VAXELN
803C DEC NSMV
803D DEC Ethernet CSMA/CD Encryption Protocol
803E DEC DNA
803F DEC LAN Traffic Monitor
8040 DEC NetBIOS
8041 DEC MS/DOS
8042 DEC Unassigned
8044 Planning Research Corporation
8046 AT&T
8047 AT&T
8049 ExperData (France)
805B VMTP (Versatile Message Transaction Protocol, RFC-1045, Stanford)
805C Stanford V Kernel production, Version 6.0
805D Evans & Sutherland
8060 Little Machines
8062 Counterpoint Computers
8065 University of Massachusetts, Amherst
8066 University of Massachusetts, Amherst
8067 Veeco Integrated Automation
8068 General Dynamics
8069 AT&T
806A Autophon (Switzerland)
806C ComDesign
806D Compugraphic Corporation
806E-8077 Landmark Graphics Corporation
807A Matra (France)
807B Dansk Data Elektronic A/S (Denmark)
807C Merit Intermodal
807D VitaLink Communications
807E VitaLink Communications
807F VitaLink Communications
8080 VitaLink Communications bridge
8081 Counterpoint Computers
8082 Counterpoint Computers
8083 Counterpoint Computers
8088 Xyplex
8089 Xyplex
808A Xyplex
809B AppleTalk and Kinetics Appletalk over Ethernet
809C Datability
809D Datability
809E Datability
809F Spider Systems, Ltd. (England)
80A3 Nixdorf Computer (West Germany)
80A4-80B3 Siemens Gammasonics, Inc.
80C0 Digital Communication Associates
80C1 Digital Communication Associates
80C2 Digital Communication Associates
80C3 Digital Communication Associates
80C6 Pacer Software
80C7 Applitek Corporation
80C8-80CC Integraph Corporation
80CD Harris Corporation
80CE Harris Corporation
80CF-80D2 Taylor Inst.
80D3 Rosemount Corporation
80D4 Rosemount Corporation
80D5 IBM SNA Services over Ethernet
80DD Varian Associates
80DE Integrated Solutions TRFS (Transparent Remote File System)
80DF Integrated Solutions
80E0-80E3 Allen-Bradley
80E4-80F0 Datability
80F2 Retix
80F3 Kinetics, AppleTalk ARP (AARP)
80F4 Kinetics
80F5 Kinetics
80F7 Apollo Computer
80FF-8103 Wellfleet Communications
8107 Symbolics Private
8108 Symbolics Private
8109 Symbolics Private
8130 Waterloo Microsystems
8131 VG Laboratory Systems
8137 Novell (old) NetWare IPX
8138 Novell
8139-813D KTI

9000

Value Description
9000 Loopback (Conifguration Test Protocol)
9001 Bridge Communications XNS Systems Management
9002 Bridge Communications TCP/IP Systems Management
9003 Bridge Communications
FF00 BBN VITAL LANBridge cache wakeup