diff --git a/TestON/tests/SCPF/SCPFportLat/dependencies/topo-perf-2sw.py b/TestON/tests/SCPF/SCPFportLat/dependencies/topo-perf-2sw.py
new file mode 100644
index 0000000..ad88767
--- /dev/null
+++ b/TestON/tests/SCPF/SCPFportLat/dependencies/topo-perf-2sw.py
@@ -0,0 +1,19 @@
+'''
+imple 2 switch topology for topologoy performance test
+'''
+
+from mininet.topo import Topo
+
+class MyTopo( Topo ):
+    def __init__(self):
+        Topo.__init__(self)
+        s1 = self.addSwitch( "s1", dpid="0000000000000001")
+        s2 = self.addSwitch( "s2", dpid="0000000000000002")
+
+        h1 = self.addHost( "h1" )
+        h2 = self.addHost( "h2" )
+        self.addLink( s1, s2 )
+        self.addLink( s1, h1 )
+        self.addLink( s2, h2 )
+
+topos = { 'mytopo': ( lambda: MyTopo() ) }