The AX.25 software is comprised of three components, the kernel source, the network configuration tools and the utility programs.
The version 2.0.xx Linux kernels include the AX.25, NetRom, Z8530 SCC, PI card and PacketTwin drivers by default. I recommend you obtain and use the version 2.0.xx kernel source.
The kernel source can be found in its usual place at:
ftp.funet.fi
/pub/Linux/PEOPLE/Linus/v2.0/
It is stronly recommended that you upgrade to the most recent 2.0 kernel. Jonathon specifically recommends not using a kernel less than 2.0.12 for AX.25 purposes as some minor bugs were fixed in that and later versions.
The latest alpha release of the standard Linux network tools support AX.25 and NetRom and can be found at:
ftp.inka.de
/pub/comp/Linux/networking/net-tools/net-tools-1.32-alpha.tar.gz
or:
ftp.linux.org.uk
/pub/linux/Networking/PROGRAMS/NetTools/net-tools-1.32-alpha.tar.gz
The latest ipfwadm package can be found at:
ftp.xos.nl
/pub/linux/ipfwadm/
The AX.25 utility programs can be found at their home site:
or by ftp from:
ftp.cs.nott.ac.uk
/jsn/ax25-utils-2.0.12a.tar.gz
or:
sunsite.unc.edu
/pub/Linux/apps/ham/ax25-utils-2.0.12a.tar.gz