diff --git a/Central-router.startup b/Central-router.startup
index 5027664..a298bee 100755
--- a/Central-router.startup
+++ b/Central-router.startup
@@ -1,3 +1,6 @@
 # IP of Central-router
 ip addr add 192.168.0.2/24 dev eth0
 ip link set up dev eth0
+
+# Gateway IP
+ip route add default via 192.168.0.1 dev eth0
diff --git a/Internet.startup b/Internet.startup
index 255934c..38145e1 100755
--- a/Internet.startup
+++ b/Internet.startup
@@ -1,3 +1,7 @@
 # IP of Internet
 ip addr add 80.64.157.254/16 dev eth0
 ip link set up dev eth0
+
+# Gateway IP for Central-router
+ip addr add 192.168.0.1/24 dev eth1
+ip link set up dev eth1
diff --git a/lab.conf b/lab.conf
index 99d57c9..15962d8 100755
--- a/lab.conf
+++ b/lab.conf
@@ -1,3 +1,4 @@
 Internet[0]=Internet
+Internet[1]=Central-router
 
 Central-router[0]=Central-router