[tor-relays] IPv6 reachability tests fail on CenturyLink IPv6 6rd - reachability broken?

Mon Sep 13 07:21:58 UTC 2021

Neel Chauhan <neel at neelc.org> wrote
Thu, 26 Aug 2021 21:16:20 -0700:

> Aug 26 18:47:01.000 [notice] Auto-discovered IPv6 address
> [REDACTED]:143 has not been found reachable. However, IPv4 address is
> reachable. Publishing server descriptor without IPv6 address.
> Aug 26 19:47:01.000 [notice] Auto-discovered IPv6 address
> [REDACTED]:143 has not been found reachable. However, IPv4 address is
> reachable. Publishing server descriptor without IPv6 address. [2
> similar message(s) suppressed in last 2400 seconds]

What IPv6 address(es) are your relays using?

You can grep for 'Open.* OR listener' in the log files to figure out
what tor tries and succeeds with.