Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 7 Feb 2017 01:21:41 -0500
From:      Vincent Olivier <vincent@up4.com>
To:        FreeBSD virtualization <freebsd-virtualization@freebsd.org>
Subject:   Re: tap on lagg ?
Message-ID:  <CAD7158B-5481-4323-BBE7-3C9E22308180@up4.com>
In-Reply-To: <CAJpsHY5b-oqvyXgiR9p-74=XeKB5-VmHs%2BkyoA2E=wOo8GuGWA@mail.gmail.com>
References:  <11A193E5-555F-4733-B192-49A5FEDCFDEA@up4.com> <66637AFA-D092-4EBB-B998-1BB2B2EE2CB4@up4.com> <1207dbb0-ec86-34fd-9a74-68d70b3b7892@osfux.nl> <CAJpsHY5b-oqvyXgiR9p-74=XeKB5-VmHs%2BkyoA2E=wOo8GuGWA@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
>> I have multiple machines on which 2 or more nics make up a LACP lagg
>> with vlans on it. Those vlan interfaces are in bridges together with =
the
>> tap interfaces that are in use by bhyve vms.
>>=20
>> Works as long as I "up" the nics in a specific fasion ( " -tso4 -lro
>> -vlanhwtag " ) . This works on 10.3 and 11.0 as far as I'm aware and =
I
>> have never experienced problems with it (Intel / AMD / em driver / =
bce
>> driver, re driver , all kinds of combinations).
>>=20
>> I have no experience in comparable setups without the vlan "layer" =
though.
>=20
> I've gotten it to work both with and without vlan just by using
> -vlanhwtag.  Leaving lro & tso4 enabled works fine.  In fact,
> everything works fine with vlanhwtag enabled until I throw epair into
> the mix.  This is using cxgbe/cxl.

For the sake of exhaustivity: I have Chelsio cxgb devices in the machine =
I=E2=80=99m testing this on, but I (am pretty certain) I was only using =
the Intel igb devices in the aggregate. I am also pretty sure that was =
without the -vlanhwtag flag that I will now test ASAP.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAD7158B-5481-4323-BBE7-3C9E22308180>