diff --git a/tools/test/topos/obelisk.py b/tools/test/topos/obelisk.py
new file mode 100755
index 0000000..fb6ccdb
--- /dev/null
+++ b/tools/test/topos/obelisk.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+
+from mininet.topo import Topo
+
+class ObeliskTopo( Topo ):
+    def __init__( self ):
+        Topo.__init__( self )
+        topSwitch = self.addSwitch('s1',dpid='1000'.zfill(16))
+        leftTopSwitch = self.addSwitch('s2',dpid='2000'.zfill(16))
+        rightTopSwitch = self.addSwitch('s5',dpid='5000'.zfill(16))
+        leftBotSwitch = self.addSwitch('s3',dpid='3000'.zfill(16))
+        rightBotSwitch = self.addSwitch('s6',dpid='6000'.zfill(16))	
+        midBotSwitch = self.addSwitch('s28',dpid='2800'.zfill(16))
+        
+        topHost = self.addHost( 'h1' )
+        leftTopHost = self.addHost('h2')
+        rightTopHost = self.addHost('h5')
+        leftBotHost = self.addHost('h3')
+        rightBotHost = self.addHost('h6')
+        midBotHost = self.addHost('h28')
+        self.addLink(topSwitch,topHost)
+        self.addLink(leftTopSwitch,leftTopHost)
+        self.addLink(rightTopSwitch,rightTopHost)
+        self.addLink(leftBotSwitch,leftBotHost)
+        self.addLink(rightBotSwitch,rightBotHost)
+        self.addLink(midBotSwitch,midBotHost)
+        self.addLink(leftTopSwitch,rightTopSwitch)
+        self.addLink(topSwitch,leftTopSwitch)
+        self.addLink(topSwitch,rightTopSwitch)
+        self.addLink(leftTopSwitch,leftBotSwitch)
+        self.addLink(rightTopSwitch,rightBotSwitch)
+        self.addLink(leftBotSwitch,midBotSwitch)
+        self.addLink(midBotSwitch,rightBotSwitch)
+
+        agg1Switch = self.addSwitch('s4',dpid = '3004'.zfill(16))
+        agg2Switch = self.addSwitch('s7',dpid = '6007'.zfill(16))
+        agg1Host = self.addHost('h4')
+        agg2Host = self.addHost('h7')
+        self.addLink(agg1Switch,agg1Host)
+        self.addLink(agg2Switch,agg2Host)
+        self.addLink(agg1Switch, leftBotSwitch)
+        self.addLink(agg2Switch, rightBotSwitch)
+
+        for i in range(10):
+            num = str(i+8)
+            switch = self.addSwitch('s'+num,dpid = ('30'+num.zfill(2)).zfill(16))
+            host = self.addHost('h'+num)
+            self.addLink(switch, host)
+            self.addLink(switch, agg1Switch)
+
+        for i in range(10):
+            num = str(i+18)
+            switch = self.addSwitch('s'+num,dpid = ('60'+num.zfill(2)).zfill(16))
+            host = self.addHost('h'+num)
+            self.addLink(switch, host)
+            self.addLink(switch, agg2Switch)
+
+topos = { 'obelisk': (lambda: ObeliskTopo() ) }
+
+def run():
+    topo = ObeliskTopo()
+    net = Mininet( topo=topo, controller=RemoteController, autoSetMacs=True )
+    net.start()
+    CLI( net )
+    net.stop()
+
+if __name__ == '__main__':
+    setLogLevel( 'info' )
+    run()
+