diff --git a/TestON/tests/FUNC/FUNCoptical/dependencies/ectopo.py b/TestON/tests/FUNC/FUNCoptical/dependencies/ectopo.py
new file mode 100644
index 0000000..cd365b3
--- /dev/null
+++ b/TestON/tests/FUNC/FUNCoptical/dependencies/ectopo.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+from mininet.net import Mininet
+from mininet.topo import Topo
+from mininet.node import Host, RemoteController
+from mininet.cli import CLI
+from mininet.log import setLogLevel
+
+from opticalUtils import LINCSwitch, LINCLink
+
+class OpticalTopo( Topo ):
+    """
+    A simple optical topology of three LINC nodes(OE*), two OVS switches(ps*), and two hosts:
+
+              OE3
+              /\
+    h1-ps1-OE1--OE2-ps2-h2
+
+    """
+    def build( self ):
+
+        # set up packet layer - OVS + hosts
+        s1 = self.addSwitch( 'ps1' )
+        s2 = self.addSwitch( 'ps2' )
+        h1 = self.addHost( 'h1' )
+        h2 = self.addHost( 'h2' )
+        self.addLink( s1, h1 )
+        self.addLink( s2, h2 )
+
+        # set up ROADMs, add them to oel[]
+        oel = []
+        an = { "durable": "true" }
+        for i in range (1,4):
+            oean = { "optical.regens": 0 }
+            oel.append( self.addSwitch('OE%s' % i, dpid='0000ffffffffff0%s' % i, annotations=oean, cls=LINCSwitch) )
+
+        # ROADM port numbers are built as: OE1 <-> OE2 = 1200
+        # leaving port number up to 100 open for use by Och port
+        self.addLink( oel[0], oel[1], port1=1200, port2=2100, annotations=an, cls=LINCLink )
+        self.addLink( oel[1], oel[2], port1=2300, port2=3200, annotations=an, cls=LINCLink )
+        self.addLink( oel[2], oel[0], port1=3100, port2=1300, annotations=an, cls=LINCLink )
+
+        # cross-connects between OVSes and LINCs
+        self.addLink( s1, oel[0], port1=2, port2=1, annotations=an, cls=LINCLink )
+        self.addLink( s2, oel[1], port1=2, port2=1, annotations=an, cls=LINCLink )
+
+
+def setup( ctls ):
+    net = Mininet( topo=OpticalTopo(), controller=None )
+    i = 1
+    for ctl in ctls:
+        net.addController( RemoteController( 'c%d' % i, ip=ctl ) )
+        i+=1
+
+    net.start()
+    LINCSwitch.bootOE( net )
+    CLI( net )
+    net.stop()
+    LINCSwitch.shutdownOE()
+
+
+if __name__ == "__main__" :
+    import sys
+    if len( sys.argv ) >= 2 :
+        setLogLevel( 'info' )
+        ctls = sys.argv[ 1: ]
+        setup( ctls )
+    else:
+        print('./ectopo.py [IP1] [IP2]...\n')