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eth0 ΪLAN¿Ú£¬IPΪ LAN_IP = 192.168.0.1
eth1 ΪµÚÒ»¸öWAN¿Ú£¬½ÓµçÐÅÏß·£¬IPΪ CTC_IP£¬Íø¹ØÎª CTC_GW
eth2 ΪµÚ¶þ¸öWAN¿Ú£¬½ÓÍøÍ¨Ïß·£¬IPΪ CNC_IP£¬Íø¹ØÎª CNC_GW
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echo "100 ctc"¡¡>> /etc/iproute2/rt_tables
echo "200 cnc" >>¡¡/etc/iproute2/rt_tables
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ip route replace default via µçÐÅÍø¹Ø dev eth1
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ip rule add to ÍøÍ¨Â·Óɱí1 table cnc prio 100
ip rule add to ÍøÍ¨Â·Óɱí2 table cnc prio 100
....
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ip route flush table ctc
ip route add default via µçÐÅÍø¹Ø dev eth1 src µçÐÅIP table ctc
ip route add 192.168.0.0/24 dev eth0 scope link src 192.168.0.1 table ctc
ip rule add from µçÐÅIP table ctc
ip route flush table cnc
ip route add default via ÍøÍ¨Íø¹Ø dev eth2 src ÍøÍ¨IP table cnc
ip route add 192.168.0.0/24 dev eth0 scope link src 192.168.0.1 table ctc
ip rule add from ÍøÍ¨IP table cnc
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ip route a
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