reassign 783160 src:linux kthxbye Hi, There is definitely an issue here that I've just reproduced with the kernel from unstable + the latest libax25 from experimental. I don't think it is actually ever sending these duplicate packets on the KISS interface, I don't see them being sent via the radio, but I do see duplicates (sometimes 2, sometimes 3) when using tcpdump on the ax interface. The interface is set up as follows (just do this as root): sudo apt install direwolf net-tools sudo apt install -t experimental libax25 ax25-tools ax25-apps cat > /etc/ax25/axports <<EOF radio AA1ABC 1200 255 2 test EOF cat > direwolf.conf <<EOF ADEVICE pulse EOF direwolf -p kissattach /dev/pts/<X> radio 10.0.0.2 arp -H ax25 -i ax<X> -s 10.0.0.3 AA2ABC ping -c 1 10.0.0.2 You don't need a radio plugged in but expect modem noises to come out your speakers, maybe turn them down first! You'll see in direwolf that it logs a single packet going out to AA2ABC. If you're running tcpdump on the ax<X> interface though, you'll see the packet appears 2 or 3 times. I've reproduced this on both amd64 and i386. I'm happy to try out any patches or assist the upstream if that is useful. Thanks, Iain.
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