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Date:      Sun, 19 Jan 2020 18:40:10 +0700
From:      Eugene Grosbein <eugen@grosbein.net>
To:        Victor Sudakov <vas@sibptus.ru>, Michael Sierchio <kudzu@tenebras.com>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, "Andrey V. Elsukov" <bu7cher@yandex.ru>, Michael Tuexen <tuexen@freebsd.org>
Subject:   Re: IPSec transport mode, mtu, fragmentation...
Message-ID:  <e86093db-1777-125d-cb6f-ca27a2730fab@grosbein.net>
In-Reply-To: <20200119071223.GA63055@admin.sibptus.ru>
References:  <20200116160745.GA1356@admin.sibptus.ru> <72355e03-1cf8-c58f-3aec-b0a21e631870@grosbein.net> <20200117093645.GA51899@admin.sibptus.ru> <70b0b855-189b-03c2-0712-fc1e35640702@grosbein.net> <20200117150928.GB66677@admin.sibptus.ru> <16550199-67b9-d331-0c1e-4afa0e8b361c@grosbein.net> <20200118105524.GA10042@admin.sibptus.ru> <d59805e9-3fd5-eb56-10db-26b532cb5e85@grosbein.net> <CAHu1Y71hGwPP48nYUYUpKQO3r%2B8HwEWq4uNGOi3Bup3PuC%2BYZA@mail.gmail.com> <20200119033645.GA54797@admin.sibptus.ru> <20200119071223.GA63055@admin.sibptus.ru>

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19.01.2020 14:12, Victor Sudakov wrote:

> So this is most probably the artifact of if_enc. What is then the
> correct way to capture data with it?

This is documented behaviour of enc(4), see its manual page for description
of sysctl net.enc.{in|out}.ipsec_bpf_mask




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