… Kamikaze 7.09 and Kernel 2.6.22.

It took a while but finally i got it ;)

Compiling a Kamikaze with build in AX25 support, manual copy of crc16.ko because the package is not built automatically. Afterwards install stty manually because i did not know whether the serial port was working with the correct speed. In the end i discovered that you have to set the correct speed in /etc/ax25/axports because this number is used by kissattach to overwrite the value that was set before. Nice to know. This was not the case some years ago.

The connection from the terminal to my XNET TNC3S looks like this: