310 Cisco LAN Switching Configuration Handbook
B-5: Ethernet Type Codes
A listing of commonly used Ethernet type codes is maintained by the IANA. The infor-
mation presented here is reproduced with permission from the IANA. For the most cur-
rent Ethernet type code number assignment information, refer to www.iana.org/num-
bers.htm under the “Ethernet Numbers” link. Table B-5 shows the Ethernet type code
numbers in hexadecimal format, along with a description.
Table B-5 Ethernet Type Codes
Hex Value Description
0000 to 05DC IEEE 802.3 Length Field
0101 to 01FF Experimental
200 XEROX PUP (see 0A00)
201 PUP Addr Trans (see 0A01)
400 Nixdorf
600 XEROX NS IDP
660 DLOG
661 DLOG
800 Internet IP (IPv4)
801 X.75 Internet
802 NBS Internet
803 ECMA Internet
804 Chaosnet
805 X.25 Level 3
806 ARP
807 XNS Compatibility
808 Frame Relay ARP (RFC 1701)
081C Symbolics Private
0888 to 088A Xyplex
900 Ungermann-Bass net debug
0A00 Xerox IEEE802.3 PUP
0A01 PUP Address Translation
0BAD Banyan VINES
0BAE VINES Loopback (RFC 1701)
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