diff --git a/scripts/compute-ext-net-tutorial.sh b/scripts/compute-ext-net-tutorial.sh
new file mode 100755
index 0000000..50090a9
--- /dev/null
+++ b/scripts/compute-ext-net-tutorial.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+apt-get update
+apt-get install bridge-utils
+brctl addbr databr
+ifconfig databr 10.168.0.1/24 up
+ip link add address 02:42:0a:a8:00:01 type veth
+ifconfig veth0 up
+ifconfig veth1 up
+brctl addif databr veth0
+ip addr add 10.168.1.1/24 dev databr
+iptables -t nat -A POSTROUTING -s 10.168.0.0/16 \! -d 10.168.0.0/16 -j MASQUERADE
+sysctl -w net.ipv4.ip_forward=1
+sysctl -w net.ipv4.conf.all.send_redirects=0
+sysctl -w net.ipv4.conf.default.send_redirects=0
+sysctl -w net.ipv4.conf.eth0.send_redirects=0
+sysctl -w net.ipv4.conf.databr.send_redirects=0
\ No newline at end of file