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alice::/etc/init.d/iptables start 2> /dev/null
bob::/etc/init.d/iptables start 2> /dev/null
bob::echo 1 > /proc/sys/net/ipv4/ip_forward
moon::echo 1 > /proc/sys/net/ipv4/ip_forward
sun::echo 1 > /proc/sys/net/ipv4/ip_forward
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
sun::ip route add 10.1.0.0/16 via PH_IP_BOB
alice::ipsec start
bob::ipsec start
alice::sleep 2
alice::ipsec up nat-t
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