Date: Tue, 20 Oct 2020 13:52:26 +0200 From: "Patrick M. Hausen" <hausen@punkt.de> To: D'Arcy Cain <darcy@druid.net> Cc: freebsd-virtualization@freebsd.org Subject: Re: When is a switch not a switch? Message-ID: <723CA318-80E9-4A6B-91ED-E791A40CC2C0@punkt.de> In-Reply-To: <A075C069-1F89-428C-BDB7-7A9F44A4E283@punkt.de> References: <57c32e6d-5572-3d3b-1a57-f3064bee7dc2@druid.net> <20201020065630.GE8272@funkthat.com> <CF189122-7D85-4BF1-9172-75D3EE0E77FB@punkt.de> <3ed627e2-d99a-107e-4135-8aef1ad4ec71@druid.net> <30A67F82-312E-4651-A5E7-2E2AD926FF24@punkt.de> <973b1b56-817f-6976-e5d3-34cfbc373b13@druid.net> <A075C069-1F89-428C-BDB7-7A9F44A4E283@punkt.de>
next in thread | previous in thread | raw e-mail | index | archive | help
--Apple-Mail=_1BBA6985-B70D-4CC7-9FC2-EB75D5704DD8 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 A short P.S. I just looked shortly into vm-bhyve. Whatever this tool does with = respect to the "switches", possibly just turning off all the hardware acceleration features for = your network card can solve your problems without further messing around with bridge(4) and = friends. What you need to configure depends on your hardware. I made a table for the various interfaces we use at our place: em: -rxcsum -txcsum -lro -vlanmtu -vlanhwcsum -vlanhwfilter = -vlanhwtag up igb: -rxcsum -rxcsum6 -txcsum -txcsum6 -tso -vlanhwtag = -vlanhwtso up ix: -rxcsum -rxcsum6 -txcsum -txcsum6 -tso -lro -vlanhwtag = -vlanhwtso up ixl: -rxcsum -rxcsum6 -txcsum -txcsum6 -tso -lro -vlanhwtag = -vlanhwtso up bnxt: -rxcsum -rxcsum6 -txcsum -txcsum6 -tso -lro -vlanhwtag = -vlanhwtso -vlanhwfilter up HTH, Patrick -- punkt.de GmbH Patrick M. Hausen .infrastructure Kaiserallee 13a 76133 Karlsruhe Tel. +49 721 9109500 https://infrastructure.punkt.de info@punkt.de AG Mannheim 108285 Gesch=C3=A4ftsf=C3=BChrer: J=C3=BCrgen Egeling, Daniel Lienert, Fabian = Stein --Apple-Mail=_1BBA6985-B70D-4CC7-9FC2-EB75D5704DD8 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEgzqrjO/mj9CSsTg2kG8u4u3aiVwFAl+Oz3oACgkQkG8u4u3a iVwEjQf/ZGMfztrzgZoCZrx2+qb3mzaNzs9Z8vc1G9WxSPP2/GzTrl3RMXDAbGjV jy3qfBSogrVfMrSYwoE4kDRjIktcI6ZS0JnN8lkE6wapc5ccXL7X7scNHppAdiwo btZgZgYvm+kkt0sukubEbZLyUMCT7RFHaZ1sRTOrOAwkoyioj2HCmdYaBAj+Lcp9 NSp1fbZu1VfH3F7UnBMJ4UqKKsQ78RnQi2o8zku+Xf7mfuV4e86On9veU9wInXMu fQ9+crlAA8AGyqoKHqs9rdQkHZDoIMnjQn+S84UHIzId982hP2evZeE3FIKF8Wy0 VagUTOEBbm0OI9xCZMBCIVflDjV/QQ== =zgKn -----END PGP SIGNATURE----- --Apple-Mail=_1BBA6985-B70D-4CC7-9FC2-EB75D5704DD8--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?723CA318-80E9-4A6B-91ED-E791A40CC2C0>