diff --git a/README b/README
index 7b588628a46a9408d68ed700ff34714a557fc077..e9ae25726acb5e815edfb7b208e8c04142028d22 100644
--- a/README
+++ b/README
@@ -15,6 +15,9 @@ datapath) are created as processes in separate network namespaces. This
 allows a complete OpenFlow network to be simulated on top of a single
 Linux kernel.
 
+Mininet provides a set of Python classes and functions which enable
+creation of OpenFlow networks of varying sizes and topologies.
+
 In order to run Mininet, you must have:
 
 * A Linux 2.6.26 or greater kernel compiled with network namespace support
diff --git a/examples/linearBandwidth.py b/examples/linearBandwidth.py
index 5e3b35224b1ed7064950be09b0d36bf90c565483..27f909e38d14262cd0514279cd5543a0603673f5 100755
--- a/examples/linearBandwidth.py
+++ b/examples/linearBandwidth.py
@@ -7,6 +7,11 @@
 Each network looks like:
 
 h0 <-> s0 <-> s1 .. sN <-> h1
+
+Note: by default, the reference controller only supports 16
+switches, so this test WILL NOT WORK unless you have recompiled
+your controller to support a 100 switches (or more.)
+
 """
    
 from mininet import init, LinearNet, iperfTest
diff --git a/examples/treePing64.py b/examples/treePing64.py
index 2673af0cc795f80de007cf58407bae1a0b1dadfd..e8062b22d2389cf53120f17289c219cf302a2212 100755
--- a/examples/treePing64.py
+++ b/examples/treePing64.py
@@ -1,25 +1,28 @@
 #!/usr/bin/python
 
-"Create a 64-node tree network, and test connectivity using pingTest."
+"Create a 64-node tree network, and test connectivity using ping."
    
 from mininet import init, TreeNet, pingTestVerbose
 
-def bigTreePing64():
+def treePing64():
    results = {}
-
-   print "*** Testing Mininet with kernel and user datapath"
+   datapaths = [ 'kernel', 'user' ]
+   
+   print "*** Testing Mininet with kernel and user datapaths"
    
-   for datapath in [ 'kernel', 'user' ]:
+   for datapath in datapaths:
       k = datapath == 'kernel'
-      results[ datapath ] = []
-      for switchCount in range( 1, 4 ):
-         network = TreeNet( depth=3, fanout=4, kernel=k )
-         testResult = network.run( pingTestVerbose )
-         results[ datapath ] += testResult
-         
-   print "*** Test results:", results
-      
+      network = TreeNet( depth=2, fanout=8, kernel=k )
+      result = network.run( pingTestVerbose )
+      results[ datapath ] = result
+   
+   print  
+   print "*** TreeNet ping results:"
+   for datapath in datapaths:
+      print "%s:" % datapath, results[ datapath ]
+   print
+   
 if __name__ == '__main__':
    init()
-   bigTreePing64()
+   treePing64()
 
diff --git a/mininet.py b/mininet.py
index 20b4e7a97cbd8bb7bf09b818b1fbcc39b696fe46..12cb92ee65b9135b6aa710bd2faf205c4609e3bb 100755
--- a/mininet.py
+++ b/mininet.py
@@ -482,7 +482,9 @@ def stop( self ):
          controller.stop(); controller.terminate()
       print "*** Stopping switches"
       for switch in self.switches:
+         print switch.name, ; flush()
          switch.stop() ; switch.terminate()
+      print
       print "*** Stopping hosts"
       for host in self.hosts: 
          host.terminate()