Index: UdpClient.cs
===================================================================
--- UdpClient.cs	(revision 41083)
+++ UdpClient.cs	(working copy)
@@ -119,7 +119,9 @@
 			socket = new Socket (family, SocketType.Dgram, ProtocolType.Udp);
 
 			if (localEP != null)
-				socket.Bind (localEP);
+				socket.Bind (localEP);
+				
+							socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
 		}
 
 #endregion // Constructors
