diff -r 695c6211cb82 src/internet-node/udp-socket.cc
--- a/src/internet-node/udp-socket.cc	Sun Apr 06 06:24:33 2008 +0200
+++ b/src/internet-node/udp-socket.cc	Tue Apr 15 10:12:41 2008 +0800
@@ -299,7 +299,8 @@
                        m_endPoint->GetLocalPort (), port);
           NotifyDataSent (p->GetSize ());
         }
-      NS_LOG_LOGIC ("Limited broadcast end.");
+	NS_LOG_LOGIC ("Limited broadcast end.");
+	return p->GetSize();
     }
   else if (ipv4->GetIfIndexForDestination(dest, localIfIndex))
     {
@@ -307,7 +308,7 @@
       m_udp->Send (p, ipv4->GetAddress (localIfIndex), dest,
 		   m_endPoint->GetLocalPort (), port);
       NotifyDataSent (p->GetSize ());
-      return 0;
+      return p->GetSize();;
     }
   else
    {