There is no such thing as RTT on UDP packets, that's only for TCP. You're likely getting negative latencies for UDP because the clocks of the client and server aren't synchronized to a common quality time referençe.
Bob On Sun, Apr 19, 2020 at 2:06 PM Andrew Morcos <andrewmor...@outlook.com> wrote: > > > Hello everyone, > > > > Hope you’re doing well ! > > > > I have a question concerning iperf tests. I’ve been getting a negative > value of latency(RTT) for UDP packets with the options -u (UDP) -e ( to > display avg/max/min RTT). > > I can’t find on Internet, the reason behind obtaining such results or what > does this mean. > > If anyone has an answer, you’ll be helping me ! > > Thank you ! > > > > Andrew Morcos > _______________________________________________ > Iperf-users mailing list > Iperf-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/iperf-users >
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