diff --git a/scripts/listports.sh b/scripts/listports.sh
new file mode 100755
index 0000000..792ea37
--- /dev/null
+++ b/scripts/listports.sh
@@ -0,0 +1,13 @@
+#! /bin/bash
+
+controller=`hostname`
+switches=`sudo ovs-vsctl list-br`
+
+function host2ip (){
+   ip=`grep $1 /etc/hosts |grep -v "ip6"|  awk '{print $1}'`
+   echo $ip
+}
+
+for s in $switches; do
+  sudo ovs-vsctl --pretty list-ports $s
+done