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IPv6 not working with Hetzner Cloud #29
first of all, thanks for this script, it's very helpful when setting up a Wireguard server.
I tried this on Digitalocean, where you have a single ipv6 address, and there the script works as expected, so my guess is the ipv6 address prefix.
changed the title
Public Ipv6 Access Stops Working When Server Has Public /64 Prefix
Aug 8, 2019
I already noticed it on angristan/openvpn-install#295.
Hetzner set the
I describe the temporary and permanent fix in the issue.
I was able to reproduce it again:
After changing the
So running a ping6 + tcpdump, here is what I found:
When wg is up the source is wg0's IP (which is not correct - this is the issue)
When wg is down (OR when wg is up +
Now I have to figure out why it's using this one.
The route don't seem bad:
So I think this really is the issue here, by default a clean Hetzner VM will have a single deprecated inet6, so all traffic will still go trough it, but once you add another inet6, the new one will be favored.
In the end, the issue was that the