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¹«Ë¾µÄÄÚ²¿Íø¶Î192.168.4.0(Íø¹ØÊÇ192.168.4.1)
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eth1(IP 192.168.4.129)
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eth2(IP 111.111.112.111)
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ÎÒ×Ô¼ºµÄµçÄÔXPϵͳ(IP 111.111.112.112,Íø¹Ø 111.111.112.111)
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route add -net 111.111.112.0/24   gw 111.111.112.111   dev  eth2
route add -net 192.168.4.0/24     gw 192.168.4.129    dev eth1
route add default gw 192.168.4.1
½ÓÏÂÀ´ÊÇiptablesµÄÅäÖÃ
iptables -t nat -F
iptables -t nat -A POSTROUTING -o eth1 -s 111.111.112.112 -j SNAT --to 192.168.4.129
iptables -t nat -A  PREROUTING -i eth1 -d 192.168.4.129 -j DNAT --to 111.111.112.112
 »¹Óиö¿ªÆôÄÚºËת·¢   echo 1 > /proc/sys/net/ipv4/ip_forward
ÎÒµÄÊÇred hat 2.6.18-8.el5     iptables v1.3.5
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LANGUAGE="zh_CN.GB18030:zh_CN.GB2312:zh_CN"
SUPPORTED="zh_CN.GB18030:zh_CN:zh:en_US.UTF-8:en_US:en"
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