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Date:      Thu, 2 Nov 2017 16:21:01 +0100
From:      Marko =?UTF-8?B?Q3VwYcSH?= <marko.cupac@mimar.rs>
To:        Michael Gmelin <grembo@freebsd.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: VLANing between jails not segmenting traffic
Message-ID:  <20171102162101.4e334dfd@efreet-freebsd.kappastar.com>
In-Reply-To: <20171102154255.12ca7e4d@bsd64.grem.de>
References:  <4d50ef1e-1cc2-aca2-d390-313ef824d524@gmail.com> <59F79902.40408@grosbein.net> <2A44422B-31A9-4ADC-8FCE-D1F8BC03623C@freebsd.org> <20171102131931.452f1106@efreet-freebsd.kappastar.com> <20171102154255.12ca7e4d@bsd64.grem.de>

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On Thu, 2 Nov 2017 15:42:55 +0100
Michael Gmelin <grembo@freebsd.org> wrote:

> On Thu, 2 Nov 2017 13:19:31 +0100
> Marko Cupa=C4=87 <marko.cupac@mimar.rs> wrote:
>=20
> > On Mon, 30 Oct 2017 22:46:35 +0100
> > Michael Gmelin <grembo@freebsd.org> wrote:
> >  =20
> > > You can use fibs with net.add_addr_allfibs=3D0 to get separate
> > > routing tables (comes with its own set of complications
> > > though).   =20
> >=20
> > I hoped to go this way, but the fact that host (in fib0) replies to
> > icmp requests destined to jail with raw_sockets disabled (in fib 1)
> > via host's default gateway, making really wierd routing situation. =20
>=20
> Shouldn't you be able to fix this using a pf pass rule with rtable?

I am sure it could be fixed as you said, but I don't want to introduce
more complexity with PF.

> Maybe you can share more of your setup, quite curious.

I wrote about that here on the list, and on -jail as well (both are
the same):
[https://lists.freebsd.org/pipermail/freebsd-jail/2017-September/003442.htm=
l]
[https://lists.freebsd.org/pipermail/freebsd-net/2017-October/049037.html]

I also got off-list reply from a guy who says this behaviour was
introduced in 11.X, and not present in 10.X. Didn't have the time to
test on 10.X.

Regards,
--=20
Before enlightenment - chop wood, draw water.
After  enlightenment - chop wood, draw water.

Marko Cupa=C4=87
https://www.mimar.rs/



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