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Date:      Sat, 21 Dec 2019 01:44:39 +0700
From:      Victor Sudakov <vas@sibptus.ru>
To:        freebsd-net@freebsd.org
Subject:   Re: IPSec transport mode, mtu, fragmentation...
Message-ID:  <20191220184439.GA61856@admin.sibptus.ru>
In-Reply-To: <20191220165615.GA57281@admin.sibptus.ru>
References:  <20191220152314.GA55278@admin.sibptus.ru> <f38d1f3c-dc47-0776-29f9-2151b05e09b0@tuxpowered.net> <20191220160357.GB56081@admin.sibptus.ru> <20191220165615.GA57281@admin.sibptus.ru>

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Victor Sudakov wrote:
>=20
> I need to figure out why IPsec tunnel mode is always generating ESP
> packets with the DF flag set. Therefore they just don't get through the
> interface and never leave the host.
>=20
> I cannot even "scrub out proto 50 no-df" them because they never go
> through any f*cking interface, that's what I think is happening. Don't
> tell me it's by design.

I've created a PR https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242744
if anyone is interested you are welcome to discuss. Maybe my theory of
what's happening is incorrect.


--=20
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49@fidonet http://vas.tomsk.ru/

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