GNU bug report logs - #71462
Default ntp service configuration not working on IPv6 network

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Guillaume Le Vaillant <glv <at> posteo.net>
Subject: bug#71462: closed (Re: bug#71462: Default ntp service
 configuration not working on IPv6 network)
Date: Sat, 19 Oct 2024 12:54:02 +0000

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Your bug report

#71462: Default ntp service configuration not working on IPv6 network

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 71462 <at> debbugs.gnu.org.

-- 
71462: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=71462
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Guillaume Le Vaillant <glv <at> posteo.net>
Cc: 71462-done <at> debbugs.gnu.org, Leo Famulari <leo <at> famulari.name>
Subject: Re: bug#71462: Default ntp service configuration not working on
 IPv6 network
Date: Sat, 19 Oct 2024 21:51:42 +0900

Hi Guillaume,

Guillaume Le Vaillant <glv <at> posteo.net> writes:

> Leo Famulari <leo <at> famulari.name> skribis:
>
>> On Mon, Jun 10, 2024 at 08:30:32AM +0000, Guillaume Le Vaillant wrote:
>>> On an IPv6-only network, the default configuration for ntp-service-type
>>> doesn't work, because the default pool used (<0.guix.pool.ntp.org>)
>>> doesn't have IPv6 addresses.
>>> 
>>> In fact, the <1.guix.pool.ntp.org> and <3.guix.pool.ntp.org> pools don't
>>> have IPv6 addresses either. Only the <2.guix.pool.ntp.org> pool works
>>> with IPv6.
>>> 
>>> Would it be possible to add IPv6 support to pools 0, 1 and 3?
>>
>> It's not something that we, as Guix, can do.
>>
>> The NTP pool is run by a separate organization, and the question of
>> which DNS names should return AAAA (IPv6) records is open:
>>
>> https://community.ntppool.org/t/the-time-has-come-we-must-enable-ipv6-entirely/1968
>>
>> However, the reason they give us 4 different addresses is so that we can
>> spread the load around. Our NTP services should choose randomly at
>> run-time. Or we could just make number 2 the default, and then we'll
>> have IPv6 support. Or something more complicated...
>
> Thanks for the info. I'm now using pool 2 as the default on my IPv6-only
> machines, and it works well.

I've now made pool 2 our default configuration address, in commit
503919fcf0 ("services: ntp: Default to an address that supports IPv6.").

Closing.

-- 
Thanks,
Maxim

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From: Guillaume Le Vaillant <glv <at> posteo.net>
To: bug-guix <at> gnu.org
Subject: Default ntp service configuration not working on IPv6 network
Date: Mon, 10 Jun 2024 08:30:32 +0000

[Message part 4 (text/plain, inline)]

On an IPv6-only network, the default configuration for ntp-service-type
doesn't work, because the default pool used (<0.guix.pool.ntp.org>)
doesn't have IPv6 addresses.

In fact, the <1.guix.pool.ntp.org> and <3.guix.pool.ntp.org> pools don't
have IPv6 addresses either. Only the <2.guix.pool.ntp.org> pool works
with IPv6.

Would it be possible to add IPv6 support to pools 0, 1 and 3?

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