diff --git a/sio2/CYBERSECURITE/03-ipsec/gw1/ip-addresses b/sio2/CYBERSECURITE/03-ipsec/gw1/ip-addresses
new file mode 100644
index 0000000..512b603
--- /dev/null
+++ b/sio2/CYBERSECURITE/03-ipsec/gw1/ip-addresses
@@ -0,0 +1,18 @@
+1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
+    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
+    inet 127.0.0.1/8 scope host lo
+       valid_lft forever preferred_lft forever
+    inet6 ::1/128 scope host noprefixroute 
+       valid_lft forever preferred_lft forever
+2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
+    link/ether 08:00:27:49:8b:ef brd ff:ff:ff:ff:ff:ff
+    inet 192.168.1.1/24 brd 192.168.1.255 scope global enp0s3
+       valid_lft forever preferred_lft forever
+    inet6 fe80::a00:27ff:fe49:8bef/64 scope link 
+       valid_lft forever preferred_lft forever
+3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
+    link/ether 08:00:27:13:cc:5a brd ff:ff:ff:ff:ff:ff
+    inet 10.0.0.1/24 brd 10.0.0.255 scope global enp0s8
+       valid_lft forever preferred_lft forever
+    inet6 fe80::a00:27ff:fe13:cc5a/64 scope link 
+       valid_lft forever preferred_lft forever
diff --git a/sio2/CYBERSECURITE/03-ipsec/gw1/ip-routes b/sio2/CYBERSECURITE/03-ipsec/gw1/ip-routes
new file mode 100644
index 0000000..d4c44d5
--- /dev/null
+++ b/sio2/CYBERSECURITE/03-ipsec/gw1/ip-routes
@@ -0,0 +1,3 @@
+10.0.0.0/24 dev enp0s8 proto kernel scope link src 10.0.0.1 
+192.168.1.0/24 dev enp0s3 proto kernel scope link src 192.168.1.1 
+192.168.2.0/24 via 192.168.1.1 dev enp0s3 
diff --git a/sio2/CYBERSECURITE/03-ipsec/gw1/ipsec.conf b/sio2/CYBERSECURITE/03-ipsec/gw1/ipsec.conf
new file mode 100644
index 0000000..88f0ac3
--- /dev/null
+++ b/sio2/CYBERSECURITE/03-ipsec/gw1/ipsec.conf
@@ -0,0 +1,23 @@
+config setup
+        charondebug="all"
+        uniqueids=yes
+        strictcrlpolicy=no
+conn %default
+conn tunnel #
+        left=10.0.0.1
+        leftsubnet=192.168.1.0/24
+        right=10.0.0.2
+        rightsubnet=192.168.2.0/24
+        ike=aes256-sha2_256-modp1024!
+        esp=aes256-sha2_256!
+        keyingtries=0
+        ikelifetime=1h
+        lifetime=8h
+        dpddelay=30
+        dpdtimeout=120
+        dpdaction=restart
+        authby=secret
+        auto=start
+        keyexchange=ikev2
+        type=tunnel
+