How do I configure IPv6 /64 subnet?

[tlghnb (Tolgahan)]

Hello,

I just bought a dedicated server from Hetzner and they’re given IPv6 /64 subnet. How can I use this to attach public IPv6 addresses for my containers?

I’ve activated IPv6 by default during lxd init but looks like it’s attaching private IPv6 addresses instead of public because if I run curl -6 icanhazip.com from inside the container, it returns the dedicated server’s IP address.

[simos (Simos Xenitellis)]

Hi!

There has been a recent discussion on this. Have a look at

Assign static IPv6 to container

Or you can use DNAT and SNAT for the container. On my hetzner setup I assign a ipv6 ula address range to the entire container bridge (every bridge get its own /64 ula prefix) and use the created ipv6 interface address from container in the subnet for the SNAT and DNAT iptables rules. I know NAT is not designed to use with ipv6. I tried to split up the public /64 range into smaller pieces, but the hist won’t tell a container specified ipv6 via dhcp to the bridge. Another way was to add the s…

[tlghnb (Tolgahan)]

Thank you, though it didn’t solve mine. I’ll keep digging.