diff --git a/test-network/mininet/tunnel.sh b/test-network/mininet/tunnel.sh
new file mode 100755
index 0000000..0731bb7
--- /dev/null
+++ b/test-network/mininet/tunnel.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+VIP_ONOS1=10.0.1.217
+VIP_ONOS2=10.0.1.176
+VIP_ONOS3=10.0.1.173
+VIP_ONOS4=10.0.1.222
+VIP_ONOS5=10.0.1.191
+VIP_ONOS6=10.0.1.158
+VIP_ONOS9=10.0.1.29
+VIP_ONOS10=10.0.1.28
+VIP_ONOS11=10.0.1.62
+
+NW_ID="a"
+# [[tap_if_nr, tag, other_end],..]
+TUNNEL=("0 1 VIP_ONOS5") 
+
+start () {
+  ## Modify ##
+  ulimit -c
+  for (( i = 0; i< ${#TUNNEL[@]}; i ++)); do
+    t=`echo ${TUNNEL[$i]}`
+    ifnr=`echo $t | awk '{print $1}'`
+    tun_tag=`echo $t | awk '{print $2}'`
+    tun_end_=`echo $t | awk '{print $3}'`
+    tun_end=`eval echo '$'$tun_end_`
+    ifconfig tap${NW_ID}${ifnr}
+    echo "ifconfig tap${NW_ID}${ifnr}"
+    if [ $? -ne 0 ]; then
+      echo "creating tap${NW_ID}${ifnr}"
+      sudo tunctl
+    fi
+    echo "./capsulator -v -d -t eth0 -f ${tun_end} -vb tap${NW_ID}${ifnr}#${tun_tag}"
+    sudo ifconfig tap${NW_ID}${ifnr} 0.0.0.0 up > /dev/null 2>&1
+    sudo ./capsulator -v -d -t eth0 -f ${tun_end} -vb tap${NW_ID}${ifnr}#${tun_tag}  > /dev/null 2>&1 &
+  done
+}
+
+stop () {
+  sudo pkill capsulator
+}
+
+case "$1" in
+  start | restart)
+    stop
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  status)
+    nr=`pgrep capsulator | wc -l`
+    if [ $nr -gt 0 ]; then
+      echo "$nr tunnel(s) is running"
+    else
+      echo "tunnel is not running"
+    fi
+    ;;
+  *)
+    echo "Usage: $0 {start|stop|restart|status}" >&2
+    exit 1
+    ;;
+esac