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>
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>> 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.=
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