.

namespace_demo/tmcast.py

@@ -38,8 +38,8 @@ def mjoin_rx(group, port):
     sk = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
 
     sk.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
-    #sk.bind((group, port))
-    sk.bind(('', port))     # XXX and later IP_MULTICAST_ALL=0 ?
+    sk.bind((group, port))  # works for reception even from multiple ifaces
+    #sk.bind(('', port))     # XXX and later IP_MULTICAST_ALL=0 ?
 
     ## join the group (for rx)
     #mreq = pack("4sl", inet_aton(group), INADDR_ANY)