How docker uses Custom Bridges

This article shows you how docker uses custom bridges. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something from the detailed introduction of this article.

Test goal: connect docker to a custom bridge instead of the default docker0 bridge.

Process:

Install bridge-utils

Apt-get install bridge-utils

Shut down docker first

Service docker stop

Close the docker0 bridge

Ifconfig docker0 down

Customize a bridge:

Brctl addbr bridge0ifconfig bridge0 192.168.227.1 netmask 255.255.255.0

Edit the / etc/defautl/docker file and append the following to specify the bridge to use:

DOCKER_OPTS= "- b=bridge0"

Start docker again:

Service docker start

Check to see if the bridge is working:

As you can see, the new bridge0 has been successfully created.

Start a container test:

The test was successful.

The above is how docker uses custom bridges. Have you learned any knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.