diff --git a/TP_SCR3.2/TP01/two-gateway.imn b/TP_SCR3.2/TP01/two-gateway.imn
index 3093bba..090903b 100644
--- a/TP_SCR3.2/TP01/two-gateway.imn
+++ b/TP_SCR3.2/TP01/two-gateway.imn
@@ -67,6 +67,7 @@ node n2 {
                 ip addr add 172.16.1.254/24 dev eth0
                 ip addr add 172.16.2.254/24 dev eth1
                 ip -6 addr add ::1/128 dev lo0
+                iptables -t filter -A FORWARD -d 172.16.3.0/24 -j DROP
                 iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to-source 172.16.2.254
                 ip route add 0.0.0.0/0 via 172.16.2.252
                 
@@ -182,8 +183,8 @@ node n7 {
                 ip addr add 172.16.2.252/24 dev eth0
                 ip addr add 172.16.3.251/24 dev eth1
                 ip addr add 10.0.0.250/8 dev eth2
+                
                 ip -6 addr add ::1/128 dev lo0
-                iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to-source 172.16.3.251
                 iptables -t nat -A POSTROUTING -o eth2 -j SNAT --to-source 10.0.0.250
                 rpcbind
                 inetd
@@ -238,7 +239,7 @@ node n11 {
 	!
 	interface eth0
 	 mac address 42:00:aa:00:00:0a
-	 ip address 10.0.0.0/8
+	 ip address 10.0.0.1/8
 	!
 	interface lo0
 	 type lo