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Date:      Wed, 26 Oct 2022 13:34:08 +0200
From:      Franco Fichtner <franco@opnsense.org>
To:        FreeBSD Net <freebsd-net@freebsd.org>
Subject:   Re: netstat -I ix0
Message-ID:  <65A102E0-D0A8-470B-8FAB-6B4957E239A7@opnsense.org>
In-Reply-To: <CAKeEC-LTACAi4S_rT%2Bxw4Rf--jnMmp9cCqusFXSMDq15FLLwsA@mail.gmail.com>
References:  <3095c007-2582-32f2-c203-db0a30af14a8@otcnet.ru> <2afa3987d7f35bb655f9eb63aa6f4451@korbank.pl> <CAKeEC-KWLoiczDFvUPp0PJLev%2BqT6iwoWbE0bZVZS6U7SDq8JA@mail.gmail.com> <7d62ceba-3878-3ec7-9b9e-844d56641514@otcnet.ru> <CAKeEC-LTACAi4S_rT%2Bxw4Rf--jnMmp9cCqusFXSMDq15FLLwsA@mail.gmail.com>

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> On 26. Oct 2022, at 13:11, Cristian Cardoso =
<cristian.cardoso11@gmail.com> wrote:
>=20
> Despite the error increments in the interface, I used the equipment =
for a month until I migrated my things from the router I had and even =
with a large error increment I didn't have any problems with packet loss =
or routing.

The cards exhibiting this input error are counting (valid) zero-checksum
UDP packets as input errors despite handling them just fine. This is a
documented errata.

I think the whole "problem" started when Intel opted to push all
interface errors into the input error counter in FreeBSD 13 which
surfaced this non-issue.


Cheers,
Franco=



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