diff -r a6113320f46a src/helper/csma-helper.cc
--- a/src/helper/csma-helper.cc	Thu Aug 07 12:22:38 2008 -0700
+++ b/src/helper/csma-helper.cc	Thu Aug 07 12:36:30 2008 -0700
@@ -192,6 +192,20 @@ CsmaHelper::Install (const NodeContainer
   return container;
 }
 
+std::pair<NetDeviceContainer,NetDeviceContainer> 
+CsmaHelper::InstallStar (Ptr<Node> center, const NodeContainer &terminals)
+{
+  NetDeviceContainer centerDevices;
+  NetDeviceContainer terminalDevices;
+  for (NodeContainer::Iterator i = terminals.Begin (); i != terminals.End (); ++i)
+    {
+      NetDeviceContainer link = Install (NodeContainer (*i, center));
+      terminalDevices.Add (link.Get (0));
+      centerDevices.Add (link.Get (1));
+    }
+  return std::make_pair (centerDevices, terminalDevices);
+}
+
 void 
 CsmaHelper::EnqueueEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet)
 {
diff -r a6113320f46a src/helper/csma-helper.h
--- a/src/helper/csma-helper.h	Thu Aug 07 12:22:38 2008 -0700
+++ b/src/helper/csma-helper.h	Thu Aug 07 12:36:30 2008 -0700
@@ -179,6 +179,8 @@ public:
    */
   NetDeviceContainer Install (const NodeContainer &c, Ptr<CsmaChannel> channel);
 
+  std::pair<NetDeviceContainer,NetDeviceContainer> InstallStar (Ptr<Node> center, const NodeContainer &terminals);
+
 private:
   static void RxEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet);
   static void EnqueueEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet);