Il 25/03/2013 12:25, Niccolò Belli ha scritto: > If I ping 224.0.0.1 from my LAN I get no answer (even if UPnP/DLNA > works), is it an expected behaviour? Why? Found it: echo 0 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts Do you know how to enable icmp multicast replies on windows? Niccolò -- http://www.linuxsystems.it