AX.25 Frames - IP Protocol

This page provides IP protocol information on the AX.25 Frames IP protocol (AX.25) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

AX.25 is the data-link layer protocol used by amateur (ham) radio operators to carry packet data over radio, adapted from the X.25 standard.

IP Protocol Details

Name
AX.25 Frames
Abbreviation
AX.25
Status
Active
IANA Number
93
IANA Keyword
AX.25
Reference
AX.25 Frames

IP Protocol Status - Active

AX.25 was developed by amateur radio operators starting in 1978 and standardized in the early 1980s and remains actively used in amateur packet radio today.

IP Protocol Network Policy

AX.25 is used exclusively by amateur (ham) radio packet networks to carry data over radio links, and is only relevant to hosts and gateways participating in AX.25 radio networking.