Linux 使用IPTABLES SNAT&DNAT

通过 iptables 实现 SNAT&DNAT (浮动IP)

模拟环境IP信息

内网IP外网IP
172.168.128.10192.168.128.77

设置

iptables -t nat -I POSTROUTING -s 172.168.128.10 -j SNAT --to-source 192.168.128.77
iptables -t nat -I PREROUTING -d 192.168.128.77 -j DNAT --to-destination 172.168.128.10
service iptables save
service iptables restart

取消设置

iptables -t nat -D POSTROUTING -s 172.168.128.10 -j SNAT --to-source 192.168.128.77
iptables -t nat -D PREROUTING -d 192.168.128.77 -j DNAT --to-destination 172.168.128.10
service iptables save
service iptables restart

TAG:KVM, Linux

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