[mythtv-users] Trying to use upnp, weird issues

[Jan Ceuleers]

Eric Sharkey wrote:
> If I run "tcpdump host 239.255.255.250" on the mythtv server, then
> everything works and I can see the mythtv upnp server from other hosts
> and get access to music and videos and such.  If I kill the tcpdump
> session, then the mythtv upnp server disappears from the network.  I
> don't know what could cause that.

Does it help if you add a multicast route to your LAN, as in

ip route add 224.0.0.0/4 dev eth0

?