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.
Regards,
Kristof
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