--- a/examples/wireless/multirate.cc	Mon Aug 13 10:46:09 2012 -0700
+++ b/examples/wireless/multirate.cc	Mon Aug 13 16:08:13 2012 -0700
@@ -347,8 +347,8 @@
 
   // Equipping the source  node with OnOff Application used for sending 
   OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address ("10.0.0.1"), port)));
-  onoff.SetAttribute ("OnTime", RandomVariableValue (ConstantVariable (1)));
-  onoff.SetAttribute ("OffTime", RandomVariableValue (ConstantVariable (0)));
+  onoff.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
+  onoff.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
   onoff.SetAttribute ("DataRate", DataRateValue (DataRate (60000000)));
   onoff.SetAttribute ("PacketSize", UintegerValue (packetSize));
   onoff.SetAttribute ("Remote", AddressValue (InetSocketAddress (ipv4AddrServer, port)));