小型企業網路架構圖 2010.10.19 VMware LAB

US1041-NAT主機：

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

route add -net 172.29.4.0 netmask 255.255.255.192 gw 172.29.4.252 dev eth1

route add -net 172.29.4.64 netmask 255.255.255.192 gw 172.29.4.253 dev eth1

iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 80 -j DNAT --to 172.29.4.65:80

route add -host 10.1.1.5 dev eth1

Server主機：

route add  -host 172.29.4.254 dev eth0

route add  -host 172.29.4.253 dev eth0

route add  -net 172.29.4.0 netmask 255.255.255.192 gw 172.29.4.252 dev eth0

route add  -net 172.29.4.64 netmask 255.255.255.192 gw 172.29.4.253 dev eth0

route add default gw 172.29.4.254

Route1 & Route2主機：

route add  -host 10.1.1.5 dev eth0

route add  -net 10.1.1.0 netmask 255.255.255.0 gw 172.29.4.254 dev eth0