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°²×°ºÃUBUNTU SERVER 8.04ºó£¬ÉèÖÃË«Íø¿¨£ºeth0ΪÍâÍøÍø¿¨£¬eth1ΪÄÚÍøÍø¿¨£¬
sudo vi /etc/network/interfaces
auto eth0
iface eth0  inet static
address  ÍâÍøÍø¿¨IP
netmask  ×ÓÍøÑÚÂë
gateway  Íø¹Ø
auto eth1
iface eth1 inet static
address  ÄÚÍøÍø¿¨IP
netmask  ×ÓÍøÑÚÂë
sudo /etc/init.d/networking restart
»¹ÓÐÉèÖÃDNS·þÎñÆ÷
sudo vi  /etc/resolv.conf£¨Êµ¼ÊϵͳĬÈϵIJ¢²»´æÔÚresolv.conf¸ÃÎļþ£¬ÊôÓÚ×Ô¼º´´½¨£©
nameserver   Ö÷DNS
nameserver   ºó±¸DNS
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sudo  cat /proc/sys/net/ipv4/ip_forward
Èç¹ûÓôËÃüÁî·µ»ØµÄ½á¹ûÊÇ0£¬ÄÇô¾Í±íÃ÷LINUXÄÚºËûÓÐÆôÓÃIPת·¢¹¦ÄÜ¡£¾Í¿ÉÒÔͨ¹ýÏÂʾÃüÁîÀ´ÆôÓãº
sudo echo 1 > /proc/sys/net//ipv4/ip_forward
ͨ¹ý¹Ì¶¨¹«ÍøIPµØÖ··½Ê½Á¬½Ó»¥ÁªµÄʵÏÖ·½·¨ÈçÏ£º
sudo iptables –t nat –A POSTROUTING –s 192.168.1.0/24 -j SNAT ––to XXX.XXX.XXX.XXX
XXXÊÇÍâÍøÍø¿¨IP£¬ÎҵķÓÉ»¹Ã»×ö·À»¤£¬ÏÈÒþ²ØÁË£¬¶ÔIPTABLES»¹²»ÊìϤ£¬ºÇºÇ¡£
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Æäʵ¾ÍÊÇÔÚÍø¿¨ÅäÖÃÎļþÖмÓÒ»ÐÐpre-up ifconfig eth0 hw ether 88:88:88:88:88:88£¨MACµØÖ·£©
sudo vi /etc/network/interfaces
auto eth0
iface eth0  inet static
pre-up ifconfig eth0 hw ether 88:88:88:88:88:88
address  ÍâÍøÍø¿¨IP
netmask  ×ÓÍøÑÚÂë
gateway  Íø¹Ø
auto eth1
iface eth1 inet static
address  ÄÚÍøÍø¿¨IP
netmask  ×ÓÍøÑÚÂë
sudo /etc/init.d/networking restart
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