diff --git a/trellis/trellis_dualhome.py b/trellis/trellis_dualhome.py
index 534a26d..4d2b744 100755
--- a/trellis/trellis_dualhome.py
+++ b/trellis/trellis_dualhome.py
@@ -6,7 +6,7 @@
 from mininet.net import Mininet
 from mininet.cli import CLI
 from mininet.log import setLogLevel
-from mininet.node import RemoteController, OVSBridge, Host
+from mininet.node import RemoteController, OVSBridge, Host, OVSSwitch
 from mininet.link import TCLink
 from mininet.nodelib import NAT
 from ipaddress import ip_network
@@ -14,6 +14,7 @@
 from routinglib import RoutedHost, RoutedHost6
 from trellislib import DhcpClient, Dhcp6Client, DhcpRelay, DhcpServer, Dhcp6Server
 from trellislib import DualHomedDhcpClient
+from functools import partial
 
 class Trellis( Topo ):
     "Trellis basic topology"
@@ -177,7 +178,8 @@
     setLogLevel('debug')
     topo = Trellis()
 
-    net = Mininet(topo=topo, controller=None)
+    switch = partial(OVSSwitch, protocols='OpenFlow13')
+    net = Mininet(topo=topo, controller=None, switch=switch)
     #net.addController(RemoteController('c0', ip='192.168.56.11'))
     #net.addController(RemoteController('c1', ip='192.168.56.12'))
     #net.addController(RemoteController('c2', ip='192.168.56.13'))