进入容器测试网络和解析是否正常
docker exec -i -t adee2653e44f /bin/bash
# ping www.qq.com 测试解析正常的情况下,如果不通就单独ping IP测试一下
# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
修改主机sysctl参数
vim /etc/sysctl.conf
sysctl -w net.bridge.bridge-nf-call-ip6tables = 1
sysctl -w net.bridge.bridge-nf-call-iptables = 1
sysctl -w net.bridge.bridge-nf-call-arptables = 1
sysctl -w net.ipv4.ip_forward=1
- 执行
sysctl -p
生效
重启docker服务,网络即可以恢复正常
/bin/systemctl restart docker.service