网络映射

ifconfig eth1:9 192.168.9.224
iptables -t nat -A PREROUTING -i eth1 -d 192.168.9.224 -j DNAT --to 101.102.103.2
iptables -t nat -A POSTROUTING -o eth1 -s 101.102.103.2 -j SNAT --to 192.168.9.224