diff --git a/Central-router.startup b/Central-router.startup
index 9a0d3e9..f785610 100755
--- a/Central-router.startup
+++ b/Central-router.startup
@@ -20,3 +20,7 @@ ip link set up dev eth3
 # Gateway IP for Services-switch
 ip addr add 10.0.4.1/24 dev eth4
 ip link set up dev eth4
+
+# Gateway IP for Server-switch
+ip addr add 10.0.5.1/24 dev eth5
+ip link set up dev eth5
diff --git a/Server-switch.startup b/Server-switch.startup
index 602df77..ae4eb8d 100755
--- a/Server-switch.startup
+++ b/Server-switch.startup
@@ -1,3 +1,6 @@
 # IP of Server-switch
 ip addr add 10.0.5.2/24 dev eth0
 ip link set up dev eth0
+
+# Gateway IP to Central-router
+ip route add default via 10.0.5.1 dev eth0
diff --git a/lab.conf b/lab.conf
index 3661d76..aa80db0 100755
--- a/lab.conf
+++ b/lab.conf
@@ -8,6 +8,7 @@ Central-router[1]=DMZ
 Central-router[2]=External
 Central-router[3]=Staff
 Central-router[4]=Services
+Central-router[5]=Server
 
 # DMZ subnet
 DMZ-switch[0]=DMZ