AX.25

Amateur Radio X.25 (AX.25)

I can not really do better than the introduction on the AX.25 article on Wikipedia

History

Again I can not really do better than the introduction on the AX.25 article on Wikipedia

First included in version 1.10.0

Protocol dependencies

I think the answer here is none as AX.25 can be found encapsulated in IP, UDP, TCP, KISS, 6PACK as well as in the more usual HDLC when "on air".

Example traffic

XXX - Add example decoded traffic for this protocol here (as plain text or Wireshark screenshot).

Wireshark

The AX.25 dissector is fully functional. However not all of the protocols for which there are PID's (Packet Identifiers) defined have dissectors.

PID's are defined for:

Protocols marked as "not currently implemented" will be shown as a hex dump

Preference Settings

For the "No L3" PID there are DX cluster and APRS dissectors selectable in the Preferences menu.

Example capture file

XXX - * SampleCaptures/ax25.pcap

Display Filter

A complete list of AX.25 display filter fields can be found in the display filter reference

Show only the AX.25 based traffic:

 ax25 

Capture Filter

Currently none.

External links

Discussion


Imported from https://wiki.wireshark.org/AX.25 on 2020-08-11 23:11:27 UTC