Date: Thu, 18 Sep 2025 16:49:59 -0400 From: Karl Denninger <karl@denninger.net> To: freebsd-net@freebsd.org Subject: Re: IPv6 networking problems in 14.3 Message-ID: <6d8764d1-f12b-4597-b577-3cb3840cdbc4@denninger.net> In-Reply-To: <1BF72AB3-69B6-4BC6-BA5B-6517BD35E41D@distal.com> References: <910737314.4002.1757962919189@localhost> <55365E3D-B7EA-4F95-BC1E-92910A2944EA@distal.com> <90A490DE-6BF0-4EBB-97CE-ECA690E2359C@distal.com> <5D82826E-8C0F-45CF-B9FF-093FD014E73F@distal.com> <611820c2-05f8-40bc-9b07-bef012183e30@denninger.net> <408DE851-47FF-476E-B7F6-C7920A93DD43@distal.com> <1BF72AB3-69B6-4BC6-BA5B-6517BD35E41D@distal.com>
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<div class=3D"moz-cite-prefix">On 9/18/2025 16:36, Chris Ross wrote:<=
span
style=3D"white-space: pre-wrap">
</span><span style=3D"white-space: pre-wrap">
</span></div>
<blockquote type=3D"cite"
cite=3D"mid:1BF72AB3-69B6-4BC6-BA5B-6517BD35E41D@distal.com">
<blockquote type=3D"cite">
<pre wrap=3D"" class=3D"moz-quote-pre">On 17 Sep 2025, at 14:20, =
Chris Ross <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:cross+freebs=
d@distal.com"><cross+freebsd@distal.com></a> wrote:
So, on the idea of trying to back-date the whole machine, I have ZFS
snapshots of the whole root from just before the first upgrade,
Aug 7/8. [=E2=80=A6]
</pre>
</blockquote>
<pre wrap=3D"" class=3D"moz-quote-pre">
Brief update, more to come later I hope.
I don=E2=80=99t know all of the magic of freebsd-update, but I was able t=
o
figure/infer that it created versions (clones?) of the root fs
at points of upgrade. I was able to swap one of those in, leaving
the current system where it was at zroot/ROOT/default. I=E2=80=99ve set
bootfs to the older 14.1 system and gotten that running.
It _started_ looking bad, doing what the newer system was doing
by sending out SOLICIT6 messages and not getting an answer from my
ISP. But as Karl noted, if I waited long enough (2ish hours in my
case), it eventually did get an answer!</pre>
</blockquote>
<p>You're lucky -- KUB (my ISP) told me that their "binding"
remained valid for=C2=A0<b><u>three weeks</u></b>.=C2=A0 Needless t=
o say
that's not nice if it gets mad at you..... :-)</p>
<div class=3D"moz-signature">-- <br>
Karl Denninger<br>
<a href=3D"mailto:karl@denninger.net" class=3D"moz-txt-link-freetex=
t">karl@denninger.net</a><br>
<i>The Market Ticker</i><br>
<font size=3D"-2"><i>[S/MIME encrypted email preferred]</i></font><=
/div>
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