--- a/src/applications/v4ping/v4ping.cc Wed Nov 26 13:13:24 2008 +0100 +++ b/src/applications/v4ping/v4ping.cc Wed Nov 26 04:27:10 2008 -0800 @@ -149,6 +149,7 @@ V4Ping::StopApplication (void) { NS_LOG_FUNCTION (this); + m_socket->Close (); }