Kristof Provost <kris...@sigsegv.be> wrote:
>
> On 21 Dec 2017, at 21:24, Michael Grimm wrote:
>> I do have to admit that I am lost here, and that I cannot think about what
>> is going wrong. The last download I did try at my old severs has been some
>> weeks ago. Ever since I did upgrade FreeBSD 11.1-STABLE, and I did move my
>> infrastructure from bare metal to cloud, thus I cannot test anymore if my
>> old servers would have shown that performance issue in the meantime.
>>
>> Thus any feedback is highly recommended!
> Can you try turning off TSO? (`ifconfig $ifname -tso`)
>
> There have been issues with pf and TSO checksums, which looked a lot like
> this (i.e. bad TCP performance). Those problems should be fixed, but this is
> easy to test.
>
I did try it, but without success.
This only worked for the external interface, though. Both epairX interfaces
didn't accept that command:
ifconfig: -tso: Invalid argument
I did mention that I previously tried "sysctl net.inet.tcp.tso=0". That shoukld
do the same, right?
Thanks and regards,
Michael
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