diff --git a/DMZ-switch.startup b/DMZ-switch.startup
index e69de29..31d3882 100755
--- a/DMZ-switch.startup
+++ b/DMZ-switch.startup
@@ -0,0 +1,3 @@
+# IP of DMZ-switch
+ip addr add 10.0.1.2/24 dev eth0
+ip link set up dev eth0
diff --git a/lab.conf b/lab.conf
index 15962d8..d8ab87a 100755
--- a/lab.conf
+++ b/lab.conf
@@ -2,3 +2,5 @@ Internet[0]=Internet
 Internet[1]=Central-router
 
 Central-router[0]=Central-router
+
+DMZ-switch[0]=DMZ