Ok, thanks Bob. Le ven. 18 janv. 2019 19:21, Bob McMahon <bob.mcma...@broadcom.com> a écrit :
> I don't think iperf3 supports this. I think you'll need to use iperf2. > > Bob > > On Fri, Jan 18, 2019 at 12:04 AM karima smida <karima.sm...@gmail.com> > wrote: > >> Hi Bob, >> First, thank you for your reply. Please, as I m a beginner, can you help >> me with a solution with iperf3 and Synchronisation with NTP, a tutorial or >> a video... Thank you in advance. >> >> karima. >> >> Le mer. 16 janv. 2019 19:24, Bob McMahon <bob.mcma...@broadcom.com> a >> écrit : >> >>> Hi Karima, >>> >>> For iperf 2 <https://sourceforge.net/projects/iperf2/>use the -e >>> option. This assumes the clocks on the client and server are synchronized >>> to a level of the precision one cares about. We use a GPS disciplined oven >>> controlled oscillator in our labs for a high quality reference then use >>> precision time protocol to distributes that clock. >>> >>> o) Support end/end latency in mean/min/max/stdev format (UDP) (-e >>> required) (assumes client and server clocks synched, e.g by Precision Time >>> Protocol to an OCXO oscillator per Spectracom) >>> >>> There is also support for full histograms vs mean/min/max/standard >>> deviation. >>> >>> o) Latency histograms for both packets and frames (e.g. >>> --udp-histogram=10u,200000, 0.03, 99.97) >>> >>> More on enhanced features here >>> <https://sourceforge.net/projects/iperf2/files/Iperf%202.0.13a%20Enhancements.pdf/download> >>> . >>> >>> Also, suggested use the latest 2.013a from sourceforge. We're very >>> close to releasing 2.0.13 >>> >>> Bob >>> >>> On Wed, Jan 16, 2019 at 3:11 AM karima smida <karima.sm...@gmail.com> >>> wrote: >>> >>>> Hi all, >>>> please how to calculate End to End delay from informations returned by >>>> iperf? >>>> In fact, I want to use iperf to inject UDP traffic in may SDN network >>>> to test its performance in terms of delay and overhead. >>>> Thank you for help. >>>> >>>> -- >>>> >>>> _______________________________________________ >>>> Iperf-users mailing list >>>> Iperf-users@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/iperf-users >>>> >>>
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