Date: Fri, 20 Sep 2024 12:15:52 +0200 From: DutchDaemon - FreeBSD Forums Administrator <DutchDaemon@FreeBSD.org> To: freebsd-net@freebsd.org Subject: Re: IPv6 neighbor flaps for ISP router are occurring frequently Message-ID: <380a4641-9300-4803-bd38-819beb77ed21@FreeBSD.org> In-Reply-To: <80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com> References: <89F4F5A4-E3D9-4A43-84F6-908E3FA221A6@distal.com> <83BCC913-3375-4847-B720-5F06D76F6646@distal.com> <c26dc20a-c6c9-454c-8763-ae21d8b68b20@denninger.net> <6CFC398B-BC5C-4CFC-8733-8D9732B121CA@distal.com> <C9F6C11F-A0E9-4E39-B56E-5F5D564D0021@distal.com> <80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com>
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From: DutchDaemon - FreeBSD Forums Administrator <DutchDaemon@FreeBSD.org>
To: freebsd-net@freebsd.org
Message-ID: <380a4641-9300-4803-bd38-819beb77ed21@FreeBSD.org>
Subject: Re: IPv6 neighbor flaps for ISP router are occurring frequently
References: <89F4F5A4-E3D9-4A43-84F6-908E3FA221A6@distal.com>
<83BCC913-3375-4847-B720-5F06D76F6646@distal.com>
<c26dc20a-c6c9-454c-8763-ae21d8b68b20@denninger.net>
<6CFC398B-BC5C-4CFC-8733-8D9732B121CA@distal.com>
<C9F6C11F-A0E9-4E39-B56E-5F5D564D0021@distal.com>
<80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com>
In-Reply-To: <80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com>
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<div class=3D"moz-cite-prefix">On 19-9-2024 19:43, Chris Ross wrote:<=
br>
</div>
<blockquote type=3D"cite"
cite=3D"mid:80124FC7-3C96-489C-803D-D0310FBA3D05@distal.com">
<pre class=3D"moz-quote-pre" wrap=3D"">
</pre>
<blockquote type=3D"cite">
<pre class=3D"moz-quote-pre" wrap=3D"">On Sep 17, 2024, at 14:46,=
Chris Ross <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:cross+freeb=
sd@distal.com"><cross+freebsd@distal.com></a> wrote:
Hmm. Well, I updated my releng/14.1 tree and built a new kernel last nig=
ht.
I rebooted and after dhcpcd started up it was emitting the same notices
for many hours. But, at about 07:30 this morning it stopped. It=E2=80=99=
s now been
7 hours since there have been any such notices from dhcpcd. And, I can=E2=
=80=99t
think of what couple. hanged. dhcpcd has been running for 15+ hours,
complained for 8 hours, then stopped for 7. I=E2=80=99ll keep an eye on =
it, but
suffice to say I=E2=80=99m perplexed.
</pre>
</blockquote>
<pre class=3D"moz-quote-pre" wrap=3D"">
Alright. Coming back to this, I was clearly not paying attention. At th=
e
time I stopped seeing the aforementioned problem, a new one started. The=
re
seemed to be some sort of link flap on my local interfaces a couple
of times the morning of Sept 17, and after that IPv6 wasn=E2=80=99t worki=
ng.
The next-hop and router seems to be unreachable now.</pre>
</blockquote>
Are you using pf? FreeBSD-EN-24:16.pf<span
style=3D"white-space: pre-wrap">
</span>
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