Verify Linux kernel

• The AX.25 stack could have either been built into a monolithic kernel or installed as a kernel module
• Check both of these methods to determine if your kernel is AX.25 ready

grep -i net_ax25 /proc/kallsyms

c03b3654 t bin_net_ax25_table
c03b4154 t bin_net_ax25_param_table

 lsmod | grep -i "ax25"

ax25                   46950  3 mkiss