Hi, I urgently need help and I will be grateful for any hint.
I ran iperf in udp mode using this commands: # iperf -s -u -f k -i 1 # iperf -c 192.168.0.105 -u -b 68.8k -l 172 -t 60 -f k -i 1 -P 10 -F g711-glos.wav -P parameter is different for each subsequent analysis Example of results from server side: [ 3] local 192.168.0.105 port 5001 connected with 192.168.0.100 port 36324 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0- 1.0 sec 8.40 KBytes 68.8 Kbits/sec 0.783 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 1.0- 2.0 sec 8.40 KBytes 68.8 Kbits/sec 0.367 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 2.0- 3.0 sec 8.23 KBytes 67.4 Kbits/sec 0.140 ms 0/ 49 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 3.0- 4.0 sec 8.57 KBytes 70.2 Kbits/sec 0.181 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 4.0- 5.0 sec 8.40 KBytes 68.8 Kbits/sec 0.240 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 5.0- 6.0 sec 8.40 KBytes 68.8 Kbits/sec 0.158 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 6.0- 7.0 sec 8.06 KBytes 66.0 Kbits/sec 0.232 ms 2/ 50 (4%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 7.0- 8.0 sec 8.40 KBytes 68.8 Kbits/sec 0.433 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 8.0- 9.0 sec 8.40 KBytes 68.8 Kbits/sec 0.413 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 9.0-10.0 sec 8.40 KBytes 68.8 Kbits/sec 0.284 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 10.0-11.0 sec 8.40 KBytes 68.8 Kbits/sec 0.151 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 11.0-12.0 sec 8.40 KBytes 68.8 Kbits/sec 0.163 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 12.0-13.0 sec 8.40 KBytes 68.8 Kbits/sec 0.177 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 13.0-14.0 sec 8.40 KBytes 68.8 Kbits/sec 0.130 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 14.0-15.0 sec 8.40 KBytes 68.8 Kbits/sec 0.221 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 15.0-16.0 sec 8.40 KBytes 68.8 Kbits/sec 0.351 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 16.0-17.0 sec 8.40 KBytes 68.8 Kbits/sec 0.221 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 17.0-18.0 sec 8.40 KBytes 68.8 Kbits/sec 0.279 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 18.0-19.0 sec 8.40 KBytes 68.8 Kbits/sec 0.298 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 19.0-20.0 sec 8.40 KBytes 68.8 Kbits/sec 0.325 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 20.0-21.0 sec 8.40 KBytes 68.8 Kbits/sec 0.197 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 21.0-22.0 sec 7.73 KBytes 63.3 Kbits/sec 2.109 ms 3/ 49 (6.1%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 22.0-23.0 sec 8.57 KBytes 70.2 Kbits/sec 1.175 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 23.0-24.0 sec 8.23 KBytes 67.4 Kbits/sec 1.114 ms 0/ 49 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 24.0-25.0 sec 8.57 KBytes 70.2 Kbits/sec 0.634 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 25.0-26.0 sec 8.40 KBytes 68.8 Kbits/sec 0.182 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 26.0-27.0 sec 8.40 KBytes 68.8 Kbits/sec 0.137 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 27.0-28.0 sec 8.40 KBytes 68.8 Kbits/sec 0.222 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 28.0-29.0 sec 8.40 KBytes 68.8 Kbits/sec 0.549 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 29.0-30.0 sec 8.06 KBytes 66.0 Kbits/sec 0.389 ms 2/ 50 (4%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 30.0-31.0 sec 8.23 KBytes 67.4 Kbits/sec 0.579 ms 1/ 50 (2%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 31.0-32.0 sec 8.23 KBytes 67.4 Kbits/sec 0.936 ms 1/ 50 (2%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 32.0-33.0 sec 7.73 KBytes 63.3 Kbits/sec 0.261 ms 4/ 50 (8%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 33.0-34.0 sec 8.40 KBytes 68.8 Kbits/sec 0.381 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 34.0-35.0 sec 8.06 KBytes 66.0 Kbits/sec 0.512 ms 2/ 50 (4%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 35.0-36.0 sec 8.40 KBytes 68.8 Kbits/sec 0.420 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 36.0-37.0 sec 7.73 KBytes 63.3 Kbits/sec 0.464 ms 4/ 50 (8%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 37.0-38.0 sec 8.40 KBytes 68.8 Kbits/sec 0.310 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 38.0-39.0 sec 7.89 KBytes 64.7 Kbits/sec 0.501 ms 3/ 50 (6%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 39.0-40.0 sec 8.40 KBytes 68.8 Kbits/sec 0.311 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 40.0-41.0 sec 8.40 KBytes 68.8 Kbits/sec 0.370 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 41.0-42.0 sec 8.40 KBytes 68.8 Kbits/sec 0.800 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 42.0-43.0 sec 8.40 KBytes 68.8 Kbits/sec 0.491 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 43.0-44.0 sec 8.23 KBytes 67.4 Kbits/sec 0.576 ms 1/ 50 (2%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 44.0-45.0 sec 8.40 KBytes 68.8 Kbits/sec 0.365 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 45.0-46.0 sec 8.40 KBytes 68.8 Kbits/sec 0.353 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 46.0-47.0 sec 8.40 KBytes 68.8 Kbits/sec 0.654 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 47.0-48.0 sec 8.40 KBytes 68.8 Kbits/sec 1.528 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 48.0-49.0 sec 8.06 KBytes 66.0 Kbits/sec 1.596 ms 1/ 49 (2%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 49.0-50.0 sec 8.57 KBytes 70.2 Kbits/sec 0.831 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 50.0-51.0 sec 8.40 KBytes 68.8 Kbits/sec 0.627 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 51.0-52.0 sec 8.40 KBytes 68.8 Kbits/sec 0.516 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 52.0-53.0 sec 8.06 KBytes 66.0 Kbits/sec 0.664 ms 2/ 50 (4%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 53.0-54.0 sec 8.23 KBytes 67.4 Kbits/sec 0.492 ms 0/ 49 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 54.0-55.0 sec 8.57 KBytes 70.2 Kbits/sec 0.210 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 55.0-56.0 sec 8.23 KBytes 67.4 Kbits/sec 0.233 ms 1/ 50 (2%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 56.0-57.0 sec 8.40 KBytes 68.8 Kbits/sec 0.284 ms 0/ 50 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 57.0-58.0 sec 8.06 KBytes 66.0 Kbits/sec 1.415 ms 2/ 50 (4%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 58.0-59.0 sec 8.23 KBytes 67.4 Kbits/sec 0.188 ms 0/ 49 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 59.0-60.0 sec 8.57 KBytes 70.2 Kbits/sec 0.197 ms 0/ 51 (0%) [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-60.0 sec 499 KBytes 68.1 Kbits/sec 0.256 ms 29/ 3001 (0.97%) Summary (0.0-60.0 sec) shows jitter 0.256 ms, but average from each second counted in spreadsheet shows 0.487 ms for that example. What is the reason of that? After many analysis I observed that summary jitter is always very similar to the result from last interval (59-60 sec). It looks like another survey done for short time, not the average result from 60 seconds. ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2dcopy2 _______________________________________________ Iperf-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/iperf-users
