CentOs7.4 网卡启动：Job for network.service failed

 **centos7.4新安装的虚拟机出现CentOs7 网卡出现问题：**

Restarting network (via systemctl):  Job for network.service failed because the control process exited with error code. See "systemctl status network.service" and "journalctl -xe" for details.

根据网上提供的办法 ifconfig查看网卡地址然后写入 ifcfg-ens33网卡i配置文件中，并没有解决问题。然后自己捯饬了一上午。终于找到了彻底解决网卡报错的方法。

请关闭虚拟机的 selinux 和 NetworkManager 功能。

1. 彻底删除虚拟机上的网卡。重新添加一个新的。

2. ifconfig查看网卡的mac地址。是否与新网卡配置文件里的一致。如果不一致在新网卡配置文件中改成ifconfig的mac地址。

由于系统字符识别原因新生成的网卡配置文件可能是 ifcfg***1结尾的文件。请用cat ifcfg*1 > ifcfgens33(与ifconfig网卡名一致)查看下内容并改成新的名字。然后删除 ifcfg###1

3.配置新网卡的内容

service network restart  查看是否还有错误。正常情况下错误消失。

4. 测试网关联通性，及上网功能。

4.1 如果不能ping通网关 把虚拟机的 NAT换成 vm8

4.2检查虚拟机网关ip是否与 本机 vm8 ip地址相同。

nat上网参考http://blog.51cto.com/maomaochong/1789679

至此填坑完成。特此记录  2018-5-5 12:42

原文地址：http://blog.51cto.com/maomaochong/2112975

时间： 2024-07-31 08:45:06

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