默认外网eth1, 默认路由不用改, 为了正确路由到内网eth0: 新增外网 eth2, NewIP 配置路由: ip route add default via NewGW dev eth2 src NewIP table 200 ip rule add from NewIP table 200 ip rule add fwmark 0x200 table 200 配置iptables mangle 表: ( eth0 : LAN ) -A PREROUTING -i eth0 -m conntrack --ctstate RELATED,ESTABLISHED -j CONNMARK  […]