--- a/src/devices/bridge/bridge-net-device.cc	Tue Nov 18 15:46:46 2008 -0800
+++ b/src/devices/bridge/bridge-net-device.cc	Tue Nov 18 16:23:31 2008 -0800
@@ -305,6 +305,12 @@
   return false;
 }
 
+bool 
+BridgeNetDevice::IsBridge (void) const
+{
+  return true;
+}
+
 
 bool 
 BridgeNetDevice::Send (Ptr<Packet> packet, const Address& dest, uint16_t protocolNumber)