iperf3 udp flood behavior at higher rates

Roman Yeryomin leroi.lists at gmail.com
Wed May 4 01:13:10 PDT 2016

On 4 May 2016 at 11:02, Roman Yeryomin <leroi.lists at gmail.com> wrote:
> On 3 May 2016 at 02:18, Dave Taht <dave.taht at gmail.com> wrote:
>> to fork the fq_codel_drop discussion a bit...
>> I have up and running two new boxes[1] that are my hope to be able to
>> test ath10k/ath9k hardware with, for this test, using one in the
>> middle as a router and a nuc i3 box as the server, all ports pure
>> ethernet... there's a switch in the way, too.
>> On tcp via netperf I get expected ~940 mbits.
>> On udp via iperf3 (again, all pure ethernet) -  in neither case below
>> am I seeing any drops in the qdisc itself anywhere on the path, yet am
>> only achieving 500mbit.
> That's interesting, I have no problems with UDP over ethernet.
> What about TCP with iperf3?

Also what version of iperf3 are you using?


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