Steve Shearer

--txstart-time does not work correctly for UDP with --reverse

Thanks Bob

Thanks for the clarification. So am i correct to think that OWD-TX-PDF is effectively a PDF of RTT - but perhaps without the return trip? Could I make use of OWD-RX-PDF to factor in the return trip?

I am trying to get something like a histogram of TCP RTT and I've been poking around at various things. Could someone point me to a description of OWD-TX-PDF and OWD-RX-PDF please, I cant seem to find a reference to what it is a PDF of exactly. Also I see in the above, --bounceback-period 0, - what does this do?

Is L4S supported in iperf2? I presume I would have to have Prague which is in kernel 5.15 onwards. Steve

Hi there, any guidance greatly appreciated Regards Steve

Connection to server dropped

Apologies - I dont seem to be able to control the font size I set up the server.. iperf -s -i 1 -e --histograms Server listening on TCP port 5001 with pid 5681 Read buffer size: 128 KByte (Dist bin width=16.0 KByte) Enabled receive histograms bin-width=0.100 ms, bins=10000 (clients should use --trip-times) TCP window size: 2.00 MByte (default) [ 1] local 192.168.80.26%wlp3s0 port 5001 connected with 192.168.15.4 port 47058 (bb w/quickack len/hold=100/0) (trip-times) (sock=4) (icwnd/mss/irtt=14/1448/2228)...