alice::iptables-restore < /etc/iptables.rules bob::iptables-restore < /etc/iptables.rules moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p udp -j SNAT --to-source PH_IP_MOON:1024-1100 moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp -j SNAT --to-source PH_IP_MOON:2000-2100 sun::iptables -t nat -A POSTROUTING -o eth0 -s 10.2.0.0/16 -p tcp -j SNAT --to-source PH_IP_SUN:2000-2100 sun::iptables -t nat -A PREROUTING -i eth0 -s PH_IP_MOON -p udp -j DNAT --to-destination PH_IP_BOB alice::ipsec start bob::ipsec start alice::expect-connection nat-t alice::ipsec up nat-t