Docker IPV6 Setup

Allow docker to use IPV6 network.

This solution is not working in my network that parent router may have firewall that make my device unable to get connection automatically, details checkout to my ipv6 network issue

1 Check docker IPV6 is enabled

2 Get ipv6 address range in host

bash

ip -6 route show

3 Enable IPV6 in docker

There are 2 ways to enable

3.1 1. Enable IPV6 in docker configuration

Edit docker configuration file /etc/docker/daemon.json. Assume the ipv6 address range is 2400::/64.

bash

{
  "ipv6": true,
  "fixed-cidr-v6": "2400::/64",
  "ip6tables": true # default is true
}

3.1.1 Restart docker service

bash

systemctl restart docker

3.2 2. Enable IPV6 in docker compose file

yaml

networks:
   ip6net:
     enable_ipv6: true
     ipam:
       config:
         - subnet: 2400::/64

4 Problem

old docker version does not support IPV6
- solution: upgrade
It does not work
- no solution yet