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IPv6-only Docker networking—compose nightmares

VPS Hosting by RAJ 4 replies 523 views
RAJ

Member OP

#1

Guys running into a wall here. Got a new IPv6-only KnownHost VPS for a client project, Docker Compose up and containers cant reach each other. Internal DNS resolves but packets drop. Spent 3 hours on this, any leads?

Compose file is basic, two services, default bridge. Recieved no v4 addresses obviously. Thier docs say "full v6 support" but no examples.

your margin is my opportunity
DO

Member

#2

Can you share your docker-compose.yml, maybe the networks section need to declare ipam with ipv6 subnet explicitly wkwkwk

In my experience the default bridge sometimes slow-slow to get v6 unless you force it, thank you

Zurich1984

Member

#3

/24 will cost you a kidney. This is the future you chose.

/24 for sale. No lowballs.
NO

Member

#4
Zurich1984 said:
This is the future you chose

Dramatic but not WRONG 🤔 have you tried the docker-ipv6nat bridge it masquerades v6 like v4 NAT, not pure but works today

PA

Member

#5

What kernel version is the host running I need to know

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