diff -r afe95f44de93 -r 17f9a64dd4f6 src/devices/csma/csma-net-device.cc
--- a/src/devices/csma/csma-net-device.cc	Wed Jan 26 10:56:33 2011 -0800
+++ b/src/devices/csma/csma-net-device.cc	Wed Jan 26 09:53:49 2011 -0800
@@ -681,6 +681,7 @@
     {
       NS_LOG_LOGIC ("Dropping pkt due to error model ");
       m_phyRxDropTrace (packet);
+      return;
     }
 
   //