For reasons, I have been unable to debug, my recursive servers
frequently only do IPv4 although IPv6 connected and authoritatives are
also IPv6 connected.
Warming the recursors caches with dig AAAA ns-with-AAAA.example.com let
the recursor learn that the zones are also available over IPv6 with a
better latency.
(I know that this is a hack... but sometimes, you know, a hack is better
than being called from NOC every 2 hours)
(Sometimes IPv4 Servers are under attack while IPv6 works fine... and in
my case recurosor failed to switch/stay with IPv6)
Cheers
Thomas
Am 16.11.21 um 10:58 schrieb Marcin Gondek via Pdns-users:
Hi All,
Correct, prioritize IPv6, fallback on timeout.
As far is now not possible now, do we have chance to add it in newer
version?
Why this could be needed:
If case of CGNAT/NAT and so on, some people may have resolver on their
homes.
They may have public IPv6 address but IPv4 shared which could be limited
on nameservers side.
Thanks,
--
Marcin Gondek / Drixter
http://fido.e-utp.net/
AS56662
------------------------------------------------------------------------
*Od:* Brian Candler <b.cand...@pobox.com>
*Wysłane:* wtorek, 16 listopada 2021 10:48
*Do:* Otto Moerbeek <o...@drijf.net>
*DW:* Marcin Gondek <drix...@e-utp.net>; pdns-users@mailman.powerdns.com
<pdns-users@mailman.powerdns.com>
*Temat:* Re: [Pdns-users] PDNS Recursor - force IPv6
On 16/11/2021 08:57, Otto Moerbeek wrote:
I set "query-local-address=0.0.0.0,::" to allow the recursor to use both.
I think since 4.5 we do the right thing and**only** use v6 if you set
query-local-address=::
But that has the consequence that a lot of (v4 only) nameservers become
unreachable.
Ah yes: sorry I misunderstood the OPs requirement "force usage of
IPv6". They wanted something less strong: prioritise IPv6 (if both
available).
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