WARNING: IPv4 forwarding is disabled. Networking will not work

Centos7成功安装完docker,但在启动时报以下错误:
WARNING: IPv4 forwarding is disabled. Networking will not work

方法:

  1. 使用vim /etc/sysctl.conf进入配置文件添加以下:
net.ipv4.ip_forward=1  
  1. 重启network服务

systemctl restart network && systemctl restart docker

  1. 验证
sysctl net.ipv4.ip_forward

##返回net.ipv4.ip_forward = 1,说明成功

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转载自blog.csdn.net/weixin_46329906/article/details/116666591