Re: bhyve VM not getting as much upload bandwidth as the host
- In reply to: Wanpeng Qian : "Re: bhyve VM not getting as much upload bandwidth as the host"
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Date: Mon, 14 Aug 2023 08:42:20 UTC
I added your options to my config and rebooted: ifconfig_em1="inet w.x.y.z netmask 255.255.255.0 mtu 1492 -tso -lro -txcsum -rxcsum" It did not make any difference. On Mon, Aug 14, 2023 at 1:44 AM Wanpeng Qian <wanpengqian@gmail.com> wrote: > Hi Washington > > From my experience, you have to turn off TSO LRO TXCSUM etc for the host > interface which is bridge to VM. > for example, my rc.conf relateted line is > > ifconfig_ix1="up -tso -lro -txcsum -rxcsum" > > best regards. > > > 2023年8月14日(月) 1:04 Odhiambo Washington <odhiambo@gmail.com>: > >> Hello all, >> >> I am still new to virtualization (using bhyve) and wanted to see if I can >> get some help towards making headway with certain aspects. >> >> I am running a Debian12 VM under bhyve and I am wondering why it doesn't >> get as much upload bandwidth as the main host when I run speedtest: >> >> From inside the VM: >> >> wash@debian12$ speedtest-cli >> Retrieving speedtest.net configuration... >> Testing from XXXXXX (x.x.x.x)... >> Retrieving speedtest.net server list... >> Selecting best server based on ping... >> Hosted by Zuku (Nairobi) [0.16 km]: 6.798 ms >> Testing download >> speed................................................................................ >> Download: 48.31 Mbit/s >> Testing upload >> speed...................................................................................................... >> Upload: 0.42 Mbit/s >> >> From the Host: >> [16:03 ~ ]$ speedtest-cli >> Retrieving speedtest.net configuration... >> Testing from XXXXXXXX (x.x.x.x)... >> Retrieving speedtest.net server list... >> Selecting best server based on ping... >> Hosted by Zuku (Nairobi) [0.16 km]: 2.493 ms >> Testing download >> speed................................................................................ >> Download: 47.91 Mbit/s >> Testing upload >> speed...................................................................................................... >> Upload: 48.38 Mbit/s >> >> >> >> -- >> Best regards, >> Odhiambo WASHINGTON, >> Nairobi,KE >> +254 7 3200 0004/+254 7 2274 3223 >> "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-) >> [How to ask smart questions: >> http://www.catb.org/~esr/faqs/smart-questions.html] >> > -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-) [How to ask smart questions: http://www.catb.org/~esr/faqs/smart-questions.html]