Appendix K. Ethernet Type Codes
A listing of commonly used Ethernet type codes is maintained by the Internet Assigned Numbers Authority (IANA). The information presented here is reproduced with permission from the IANA. For the most current Ethernet type code number assignment information, refer to http://www.iana.org/numbers.htm under the “Ethernet Numbers” link. Table K-1 shows the Ethernet type code numbers in hexadecimal format, along with a description.
Table K-1. Ethernet Type Codes