How to distribute IPv6 from VPS to the local network?

Question

linux

There is a VPS with IPv4 and with its own IPv6 subnet, there is a local network and a gateway on pfsense (IP gray).
How to automatically distribute to each device in the LAN its own unique ipv6 from the VPS subnet via pfsense?
In fact, you need to make your own tunnel broker. Are there options not through openVPN?

Answer 1

if you distribute honestly, and not through a proxy, then without tunnels there is no way
setting up an IPv6 network managed by tinc