-Do I need qmidiNet to use QmidiCtl to interact with qtractor/jack ?
yes.
-Are the controls mapped in the configuration screens by defaults compatible with qtractor (ie does pressing play engage qtractor playback, and record, etc.. ?)
yes.
-Is there a quick test procedure ?
nope. it just works when it works :) i think you're missing one of the fundamental requirements for the whole thing to work as designed: multicast/udp only works on class c networks, which usually means it is supposed to work over a lan, never over the wan (eg. internet). if you're sure you're have that right though, there's often other sources of trouble: firewalls: strangely enough, there have been reports that some distros are way too paranoid and setup a restrictive firewall by default, even if over a local trusted network--check that out.
-Do I need qmidiNet to use QmidiCtl to interact with qtractor/jack ?
yes.
-Are the controls mapped in the configuration screens by defaults compatible with qtractor (ie does pressing play engage qtractor playback, and record, etc.. ?)
yes.
-Is there a quick test procedure ?
nope. it just works when it works :) i think you're missing one of the fundamental requirements for the whole thing to work as designed: multicast/udp only works on class c networks, which usually means it is supposed to work over a lan, never over the wan (eg. internet). if you're sure you're have that right though, there's often other sources of trouble: firewalls: strangely enough, there have been reports that some distros are way too paranoid and setup a restrictive firewall by default, even if over a local trusted network--check that out.
byee