--- a/src/node/l3-demux.h	Thu Mar 29 18:07:37 2007 +0200
+++ b/src/node/l3-demux.h	Fri Mar 30 11:08:47 2007 +0200
@@ -82,7 +82,7 @@
    * to forward packets up the stack to the right protocol.
    * It is also called from InternetNode::GetIpv4 for example.
    */
-  ns3::L3Protocol* Lookup(int);
+  ns3::L3Protocol* Lookup(int protocolNumber);
   /**
    * \param protocol protocol to remove from this demux.
    *