% vlc -vvv video1.xyz --sout udp:192.168.0.42 --ttl 12
video1.xyz is the file you want to stream ,
192.168.0.42 is either :
the IP address of the machine you want to unicast to ;
or the DNS name the machine you want to unicast to ;
or a multicast IP address .
12 is the value of the TTL (Time To Live) of your IP packets (which means that the stream will be able to cross 11 routers) .
If you want to stream the file continuously, add the --loop option .