服务器两个网卡eth0:ip:192.168.66.X 网关:192.168.0.20,eth1:ip:116.7.200.x,网关116.7.200.z,系统:centos6.4,修改默认网关: /etc/sysconfig/network-scripts/ifcfg-eth1GATEWAY=116.7.200.z,gate /etc/sysconfig/network  GATEWAY=116.7.200.z,每次重启之后网关还是192.168.0.20,只能添加临时默认网关:route add default gw 116.7.200.z,请教是哪里没修改为什么,要设置永久的默认网关还有哪里要修改?谢谢