Error saying "incorrect network interaface" when trying to create network interface for docker

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How do I create network interface for my docker with my sebnet 192.168.0.0/24?

When I tried to create it, my entire network is going down or I’m getting an error saying “incorrect network interaface” after docker’s restart.

I need some containers on host server on which I can install something for local usage.
Jul 20, 2018 in Other DevOps Questions by Hannah
• 14,070 points
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1 answer to this question.

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Try this

Step 1- remove the IP address from your host network interface

                $ sudo ip addr del <IP>/24 dev <interface_name>

Step 2- Create a docker network using a bridge to your host interface

$ sudo docker network create --driver bridge --subnet=<your_subnet>/24 --gateway=<here_the_ip_you_deleted_before> --opt "com.docker.network.bridge.name"="docker1" net_name

Step 3- Add the interface to the just created bridge

$ sudo brctl addif docker1 <interface_name>

Now you can create a container, attach it to the created network and assign an IP from your subnet to it.

$ docker run --net net_name --ip <ip_you_want> -ti ubuntu:16.04
answered Jul 20, 2018 by Kalgi
• 40,440 points

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