I don't think a router/switch knows that an application is listening on a particular subnet or even port.
I think it is the intermediate routers/switches that need looking at to see if they forward the UDP broadcasts. You could try try forwarding port 3483 to LMS machine. Here is a post from someone using OpenWRT to achieve something similar https://forums.slimdevices.com/showthread.php?99201-Hint-Android-Tablet-with-Squeezebox-Controller-App-in-different-Subnet Paul Webster author of \"now playing\" plugins covering radio france (fip etc), planetradio (bauer - kiss, absolute, scala, jazzfm etc), kcrw, abc australia and cbc/radio-canada and, via the extra \"radio now playing\" plugin lots more - see https://forums.slimdevices.com/showthread.php?115201-announce-radio-now-playing-plugin ------------------------------------------------------------------------ Paul Webster's Profile: http://forums.slimdevices.com/member.php?userid=105 View this thread: http://forums.slimdevices.com/showthread.php?t=116947 _______________________________________________ Squeezecenter mailing list Squeezecenter@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/squeezecenter