Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 17 Jan 2020 22:10:59 +0700
From:      Victor Sudakov <vas@sibptus.ru>
To:        "Andrey V. Elsukov" <bu7cher@yandex.ru>
Cc:        Eugene Grosbein <eugen@grosbein.net>, freebsd-net@freebsd.org, Michael Tuexen <tuexen@freebsd.org>
Subject:   Re: IPSec transport mode, mtu, fragmentation...
Message-ID:  <20200117151059.GC66677@admin.sibptus.ru>
In-Reply-To: <6ace842b-69b7-7f0f-43ed-7f7df5c640d5@yandex.ru>
References:  <20191220152314.GA55278@admin.sibptus.ru> <4cc83b85-dd30-8c0d-330e-aa549ce98c98@yandex.ru> <f9b7357e-ced1-4ce5-40d5-8e3dcad42442@yandex.ru> <d263a709-63cf-7da5-1747-8a6791f6503f@grosbein.net> <20200116155305.GA465@admin.sibptus.ru> <55f7bafa-24c4-9810-0d21-f82cb332ee2d@grosbein.net> <20200116160745.GA1356@admin.sibptus.ru> <97b07801-da80-0665-aaa9-57184a52ce0f@yandex.ru> <6ace842b-69b7-7f0f-43ed-7f7df5c640d5@yandex.ru>

next in thread | previous in thread | raw e-mail | index | archive | help

--pAwQNkOnpTn9IO2O
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

Andrey V. Elsukov wrote:
> On 16.01.2020 19:36, Andrey V. Elsukov wrote:
> > For transport mode inner and outer headers will be the same.
> > I guess the problem can be reproduced in the lab using the following co=
nfig:
> >=20
> >     [Host A] <--> [Router] <--> [Host B]
> >=20
> > IPsec should be configured between hosts A and B. Then you need to
> > reduce MTU on the router. This should lead to ICMP NEEDFRAG messages
> > from the router, and then host should correctly handle them.
>=20
> I have tested this scenario, and it doesn't work. So, I will report back
> when there will be some working solution.

By "it doesn't work" you mean everything is suddenly fine and good? :-)




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

--pAwQNkOnpTn9IO2O
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----

iQEcBAEBAgAGBQJeIc6DAAoJEA2k8lmbXsY0n5IH/iSuFJK7Y0mPoTRRb2Ju/2eh
Zaig9o99NKwdMGLanBOJ4hzrmngbdqmp372j9Nv5ia5BKINmCpuRcUWJKA+yA5mi
Koz8n25Ubrnsc9aZtn/tpa2WDttc618xTZZNx47c8OlOYUelQgLDgFaCMwqQdSJt
spJMELCdSkDeIXwGcU695jtsaUb0ImIOuBJUNmuJXt64PoI2993AOnzZkIEtYLFJ
jabLLeHCXMwlaUxDhoCN0pYdWgyjO3z+0IUfdZts3Qoc7nPKgBinPyJrO46o1Ie/
eRAkM/GImYxISC2fkxEOpP+lINNb3nD68jD5Px0nDvNuY/WMcdDBip76PSKnXzo=
=fl1B
-----END PGP SIGNATURE-----

--pAwQNkOnpTn9IO2O--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20200117151059.GC66677>