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>
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[-- Attachment #1 --] 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 Geschäftsführer: Jürgen Egeling, Daniel Lienert, Fabian Stein [-- Attachment #2 --] -----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-----
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