diff --git a/mininet_optical/examples/uniring.py b/mininet_optical/examples/uniring.py
index d237e20b..f25d93dd 100755
--- a/mininet_optical/examples/uniring.py
+++ b/mininet_optical/examples/uniring.py
@@ -193,7 +193,7 @@ def test(net):
     cleanup()  # Just in case!
     setLogLevel('info')
     if 'clean' in argv: exit(0)
-    topo = UniRingTopo(N=4)
+    topo = UniRingTopo(N=6)
     net = Mininet(topo=topo)
     # restServer = RestServer(net)
     net.start()