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Subject: Re: What is best TCP throughput benchmarking tool?
To: Lev Serebryakov <lev@FreeBSD.org>, freebsd-net@freebsd.org
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From: Eugene Grosbein <eugen@grosbein.net>
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Date: Sat, 20 Oct 2018 04:18:01 +0700
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20.10.2018 3:50, Lev Serebryakov wrote:

>>>  Please note, that I'm testing endpoint, not a router, so netmap-based
>>> packet generators & receivers is no use for me, unfortunately.
>> Try benchmarks/wrk. It works pretty well for speeds lower than 40Gbit/s
>> but its version 4.0.2 had its own rough edges demanding a router between TCP endpoints.
>> I have not tried its newer versions, though.
>  Looks like benchmark/wrk is HTTP benchmark, opposite to what I need...

Together with nginx, wrk can serve as quick TCP traffic generator/receiver.
I've used them in 40G environment with success.