Date: Mon, 14 Aug 2023 07:43:48 +0900 From: Wanpeng Qian <wanpengqian@gmail.com> To: Odhiambo Washington <odhiambo@gmail.com> Cc: freebsd-virtualization@freebsd.org Subject: Re: bhyve VM not getting as much upload bandwidth as the host Message-ID: <CANBJ%2BxQguO=QpnBd9iqv1a-u0_s_aCifQfgM-iOtLEOtFQ7PUQ@mail.gmail.com> In-Reply-To: <CAAdA2WN6FTT=Bn-p3EEGDk_-8=g_PoFicUb%2Be-ybcpKxjY5bwQ@mail.gmail.com> References: <CAAdA2WN6FTT=Bn-p3EEGDk_-8=g_PoFicUb%2Be-ybcpKxjY5bwQ@mail.gmail.com>
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--0000000000008c2c2e0602d5aed1 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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=3D"up -tso -lro -txcsum -rxcsum" best regards. 2023=E5=B9=B48=E6=9C=8814=E6=97=A5(=E6=9C=88) 1:04 Odhiambo Washington <odh= iambo@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 '^$|^.*#' =C2=AF\_(=E3=83=84)_/=C2=AF :-) > [How to ask smart questions: > http://www.catb.org/~esr/faqs/smart-questions.html] > --0000000000008c2c2e0602d5aed1 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><div><div dir=3D"auto" style=3D"font-size:16px;font-style= :normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text= -align:start;text-indent:0px;text-transform:none;white-space:normal;word-sp= acing:0px;text-decoration:none;background-color:rgba(0,0,0,0);border-color:= rgb(0,0,0);color:rgb(0,0,0)">Hi Washington</div><div dir=3D"auto" style=3D"= font-size:16px;font-style:normal;font-variant-caps:normal;font-weight:400;l= etter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;w= hite-space:normal;word-spacing:0px;text-decoration:none;background-color:rg= ba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)"><br></div><div dir=3D= "auto" style=3D"font-size:16px;font-style:normal;font-variant-caps:normal;f= ont-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-= transform:none;white-space:normal;word-spacing:0px;text-decoration:none;bac= kground-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">From = my experience, you have to turn off TSO LRO TXCSUM etc for the host interfa= ce which is bridge to VM.</div><div dir=3D"auto" style=3D"font-size:16px;fo= nt-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:nor= mal;text-align:start;text-indent:0px;text-transform:none;white-space:normal= ;word-spacing:0px;text-decoration:none;background-color:rgba(0,0,0,0);borde= r-color:rgb(0,0,0);color:rgb(0,0,0)">for example, my rc.conf relateted line= is=C2=A0</div><div dir=3D"auto" style=3D"font-size:16px;font-style:normal;= font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:s= tart;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0p= x;text-decoration:none;background-color:rgba(0,0,0,0);border-color:rgb(0,0,= 0);color:rgb(0,0,0)"><br></div><div dir=3D"auto" style=3D"font-size:16px;fo= nt-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:nor= mal;text-align:start;text-indent:0px;text-transform:none;white-space:normal= ;word-spacing:0px;text-decoration:none;background-color:rgba(0,0,0,0);borde= r-color:rgb(0,0,0);color:rgb(0,0,0)"><div style=3D"background-color:rgba(0,= 0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">ifconfig_ix1=3D"up -t= so -lro -txcsum -rxcsum"</div><br></div><div dir=3D"auto" style=3D"fon= t-size:16px;font-style:normal;font-variant-caps:normal;font-weight:400;lett= er-spacing:normal;text-align:start;text-indent:0px;text-transform:none;whit= e-space:normal;word-spacing:0px;text-decoration:none;background-color:rgba(= 0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">best regards.</div></div= ></div><div dir=3D"auto"><br></div><div><br><div class=3D"gmail_quote"><div= dir=3D"ltr" class=3D"gmail_attr">2023=E5=B9=B48=E6=9C=8814=E6=97=A5(=E6=9C= =88) 1:04 Odhiambo Washington <<a href=3D"mailto:odhiambo@gmail.com">odh= iambo@gmail.com</a>>:<br></div><blockquote class=3D"gmail_quote" style= =3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;= padding-left:1ex;border-left-color:rgb(204,204,204)"><div dir=3D"ltr">Hello= all,<div><br></div><div>I am still new to virtualization (using bhyve) and= wanted to see if I can get some help towards making headway with certain a= spects.</div><div><br></div><div>I am running a Debian12 VM=C2=A0under bhyv= e and I am wondering why it doesn't get as much upload bandwidth as the= main host when I run speedtest:<div><br></div><div>From inside the VM:<br>= <br>wash@debian12$ speedtest-cli<br>Retrieving=C2=A0<a href=3D"http://speed= test.net/" target=3D"_blank">speedtest.net</a>=C2=A0configuration...<br>Tes= ting from XXXXXX (x.x.x.x)...<br>Retrieving=C2=A0<a href=3D"http://speedtes= t.net/" target=3D"_blank">speedtest.net</a>=C2=A0server list...<br>Selectin= g best server based on ping...<br>Hosted by Zuku (Nairobi) [0.16 km]: 6.798= ms<br>Testing download speed..............................................= ..................................<br>Download: 48.31 Mbit/s<br>Testing upl= oad speed..................................................................= ....................................<br>Upload: 0.42 Mbit/s<br><br>From the= Host:<br>[16:03 ~ ]$ speedtest-cli<br>Retrieving=C2=A0<a href=3D"http://sp= eedtest.net/" target=3D"_blank">speedtest.net</a>=C2=A0configuration...<br>= Testing from XXXXXXXX (x.x.x.x)...<br>Retrieving=C2=A0<a href=3D"http://spe= edtest.net/" target=3D"_blank">speedtest.net</a>=C2=A0server list...<br>Sel= ecting best server based on ping...<br>Hosted by Zuku (Nairobi) [0.16 km]: = 2.493 ms<br>Testing download speed.........................................= .......................................<br>Download: 47.91 Mbit/s<br>Testin= g upload speed.............................................................= .........................................<br>Upload: 48.38 Mbit/s</div></di= v></div><div dir=3D"ltr"><div><div><font style=3D"color:rgb(136,136,136)"><= br clear=3D"all"><div><br></div><div><br></div></font></div><span class=3D"= gmail_signature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signa= ture" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div dir=3D"ltr">= <div>Best regards,<br>Odhiambo WASHINGTON,<br>Nairobi,KE<br>+254 7 3200 000= 4/+254 7 2274 3223<br>"<span style=3D"font-size:12.8px">Oh, the cruft.= </span><span style=3D"font-size:12.8px">",=C2=A0</span><span style=3D"= font-size:12.8px">egrep -v '^$|^.*#'=C2=A0</span><span style=3D"fon= t-family:"Lucida Console",Consolas,"Courier New",monosp= ace;font-size:13.6px;background-color:rgb(34,34,34);color:rgb(238,238,238)"= >=C2=AF\_(=E3=83=84)_/=C2=AF</span><span style=3D"font-size:12.8px">=C2=A0:= -)</span></div><div><span style=3D"font-size:12.8px">[How to ask smart ques= tions:=C2=A0</span><span style=3D"font-size:12.8px"><a href=3D"http://www.c= atb.org/~esr/faqs/smart-questions.html" target=3D"_blank">http://www.catb.o= rg/~esr/faqs/smart-questions.html</a>]</span></div></div></div></div></div>= </div> </blockquote></div></div> --0000000000008c2c2e0602d5aed1--
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