diff -urwNp iperf-2.0.5-original/src/Client.cpp iperf-2.0.5/src/Client.cpp
--- iperf-2.0.5-original/src/Client.cpp	2011-03-31 11:41:38.000000000 +0600
+++ iperf-2.0.5/src/Client.cpp	2011-03-31 11:43:32.000000000 +0600
@@ -403,11 +403,15 @@ void Client::Connect( ) {
 
 
     SockAddr_localAddr( mSettings );
+
+    // XXX: escape port conflict (boco)
+    mSettings->local.sin_port = 0;
+
     if ( mSettings->mLocalhost != NULL ) {
         // bind socket to local address
         rc = bind( mSettings->mSock, (sockaddr*) &mSettings->local, 
                    SockAddr_get_sizeof_sockaddr( &mSettings->local ) );
-        WARN_errno( rc == SOCKET_ERROR, "bind" );
+        FAIL_errno( rc == SOCKET_ERROR, "bind", mSettings );
     }
 
     // connect socket