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

Hi Mario,

1. As mentioned, I am only having this issue with the Debian12 VM. I am
going to test an Ubuntu-23.04 and see if there's a difference.
2. I don't have any such issue with Debian12 VM using VMware Workstation
which I run on my laptop.
3. My host OS is FreeBSD 13.2-RELEASE. I CANNOT change that as it is a
production server running other things. It's not a box for playing with :-)
4. Not sure what you'd me to do with #4.

On Mon, Aug 14, 2023 at 12:42 PM Mario Marietto <marietto2008@gmail.com>
wrote:

> You should isolate the problem. You could make some tests to understand
> where the problem is. So you could create a matrix that can help you to
> create all the possible cases to analyze if the problem is :
>
> 1) within your specific vm only
> 2) in any vm you create with virtualbox and linux (which distro ? changing
> distro may solve the problem)
> 3) on the network config of the host os (freebsd) (what version ? changing
> version may solve the problem)
> 4) any other combination that can exclude variables
>
> On Mon, Aug 14, 2023 at 11:35 AM Odhiambo Washington <odhiambo@gmail.com>
> wrote:
>
>>
>>
>> On Mon, Aug 14, 2023 at 12:30 PM Miroslav Lachman <000.fbsd@quip.cz>
>> wrote:
>>
>>> On 14/08/2023 10:49, Odhiambo Washington 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?
>>>
>>> I never had this solved. Even my FreeBSD guest on FreeBSD host with
>>> VirtualBox is slow as few hunderds kB/s
>>> It was like 10Mbps with Bhyve. I only use VMs for testing but installing
>>> packages is always so slow. So you are not alone. I would really like to
>>> know how to improve the network speed with virtualized environment.
>>>
>>> Kind regards
>>> Miroslav Lachman
>>>
>>
>> I had a FreeBSD VM for testing under bhyve and it did not suffer from
>> this upload speed hiccup.
>>
>>
>>
>> --
>> 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.
>


-- 
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]