Re: bhyve VM not getting as much upload bandwidth as the host

From: Mario Marietto <marietto2008_at_gmail.com>
Date: Mon, 14 Aug 2023 09:18:46 UTC
Which kind of connection do you have ? It seems like a mobile connection. I
have a fiber connection,FTTC,I don't have your ifconfig parameters. I have
ifconfig_em0="DHCP".

On Mon, Aug 14, 2023 at 10:49 AM Odhiambo Washington <odhiambo@gmail.com>
wrote:

> I had the following in sysctl.conf:
> net.link.tap.up_on_open=1
> net.link.bridge.pfil_member=0
> net.link.bridge.pfil_bridge=0
> net.link.bridge.pfil_local_phys=1
>
> So I only did:
> sysctl -w net.link.bridge.pfil_onlyip=0
> sysctl -w net.link.bridge.pfil_local_phys=0
>
> Nothing has changed for the linux VM.
>
> Windows11 VM is getting download/upload speed of 40Mbps/37Mbps while a
> Debian12 VM is getting download/upload of 37Mbps/45Kbps.
> Maybe there is an issue with the Linux itself?
>
>
> On Sun, Aug 13, 2023 at 9:29 PM Wouter Snels <ofloo@h4ck.io> wrote:
>
>> sysctl these to
>>
>>
>> net.link.bridge.pfil_local_phys=0
>> net.link.bridge.pfil_member=0
>> net.link.bridge.pfil_bridge=0
>> net.link.bridge.pfil_onlyip=0
>>
>> Op 13/08/2023 om 18:04 schreef Odhiambo Washington:
>>
>> 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]
>


-- 
Mario.