Here is at least one discussion from 2010: http://thread.gmane.org/gmane.network.iperf.user/202

I remember seeing a few others across the ages.... Use various archives / search engines / search keywords?



2014-08-22 9:20 GMT+01:00 Martin T <m4rtntns@gmail.com>:
Thanks for the reply! I'll check the receiving side. Could you please
point me to an article/discussion describing the blocking- and
non-blocking NIC drivers? I didn't find it from iperf-users mailing
list..