alice::/etc/init.d/iptables start 2> /dev/null venus::/etc/init.d/iptables start 2> /dev/null sun::/etc/init.d/iptables start 2> /dev/null moon::echo 1 > /proc/sys/net/ipv4/ip_forward moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp -j SNAT --to PH_IP_MOON sun::ip route add 10.1.0.0/16 via PH_IP_MOON sun::iptables -t nat -A POSTROUTING -o eth1 -m mark --mark 10 -j SNAT --to 10.3.0.10 sun::iptables -t nat -A POSTROUTING -o eth1 -m mark --mark 20 -j SNAT --to 10.3.0.20 sun::iptables -t mangle -A PREROUTING -d 10.3.0.10 -j MARK --set-mark 11 sun::iptables -t mangle -A PREROUTING -d 10.3.0.20 -j MARK --set-mark 21 alice::ipsec start venus::ipsec start sun::ipsec start alice::sleep 2 alice::ipsec up home venus::sleep 2 venus::ipsec up home venus::sleep 2