Modify the default network segment docker

A. Modify common docker run to start the container network segments

https://blog.51cto.com/13670314/2345518?source=dra

https://blog.csdn.net/wanhuaqiu/article/details/81052538 (Reference)

 

1. Modify the default segment

$ sudo service docker stop

$ sudo ip link set dev docker0 down

$ sudo brctl delbr docker0

 

2. Modify /etc/docker/daemon.json

vim /etc/docker/daemon.json

{

"bip": "192.168.0.1/24"

}

 

3. Restart docker

$ sudo service docker start

 

4. Check and New Container

docker run -it mysql /bin/bash

docker ps -a

docker inspect 

 

iptables -t nat -L -n to view the routing information

 

 

 

II. Modified using the docker-compose initiated container

https://www.cnblogs.com/lemon-le/p/10531449.html

 

Add in the /etc/docker/daemon.json

{

  "debug" : true,

  "default-address-pools" : [

    {

      "base" : "12.11.0.0/16",

      "size" : 24

    }

  ]

}

systemctl restart docker