Hi Folks, I have a problem with iperf3, I try to simulate packet loss with Iperf3 with increasing the bitrate above the bandwidth. But packet loss output not increasing.
Ubuntu 18.04 Iperf 3.7.3 I don't know why this is happening? Is there any bug with Iperf? this sounds stupid for me. *ubuntu@vm1:~$ iperf3 -c 192.168.0.92 --udp -t 20 --bitrate 9000m -R -Viperf 3.7Linux vm1 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64Control connection MSS 1390Setting UDP block size to 1390Time: Fri, 31 Jul 2020 15:53:39 GMTConnecting to host 192.168.0.92, port 5201Reverse mode, remote host 192.168.0.92 is sending Cookie: geu5ktrvwtalkelbszen5ym4rzxfp5xgzwdy Target Bitrate: 9000000000[ 5] local 192.168.0.226 port 47999 connected to 192.168.0.92 port 5201Starting Test: protocol: UDP, 1 streams, 1390 byte blocks, omitting 0 seconds, 20 second test, tos 0[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams[ 5] 0.00-1.00 sec 13.8 MBytes 116 Mbits/sec 0.081 ms 269/10704 (2.5%) [ 5] 1.00-2.00 sec 13.7 MBytes 115 Mbits/sec 0.085 ms 0/10346 (0%) [ 5] 2.00-3.00 sec 13.6 MBytes 114 Mbits/sec 0.035 ms 126/10365 (1.2%) [ 5] 3.00-4.00 sec 12.8 MBytes 107 Mbits/sec 0.033 ms 279/9946 (2.8%) [ 5] 4.00-5.00 sec 13.5 MBytes 113 Mbits/sec 0.051 ms 262/10427 (2.5%) [ 5] 5.00-6.00 sec 13.2 MBytes 111 Mbits/sec 0.058 ms 0/9965 (0%) [ 5] 6.00-7.00 sec 13.3 MBytes 111 Mbits/sec 0.044 ms 32/10047 (0.32%) [ 5] 7.00-8.00 sec 13.0 MBytes 109 Mbits/sec 0.053 ms 43/9874 (0.44%) [ 5] 8.00-9.00 sec 13.0 MBytes 109 Mbits/sec 0.042 ms 34/9847 (0.35%) [ 5] 9.00-10.00 sec 13.6 MBytes 114 Mbits/sec 0.055 ms 78/10305 (0.76%) [ 5] 10.00-11.00 sec 13.5 MBytes 113 Mbits/sec 0.070 ms 0/10171 (0%) [ 5] 11.00-12.00 sec 13.1 MBytes 110 Mbits/sec 0.047 ms 0/9851 (0%) [ 5] 12.00-13.00 sec 13.3 MBytes 112 Mbits/sec 0.034 ms 0/10055 (0%) [ 5] 13.00-14.00 sec 13.4 MBytes 112 Mbits/sec 0.040 ms 36/10136 (0.36%) [ 5] 14.00-15.00 sec 13.9 MBytes 117 Mbits/sec 0.055 ms 437/10921 (4%) [ 5] 15.00-16.00 sec 13.2 MBytes 111 Mbits/sec 0.043 ms 25/9964 (0.25%) [ 5] 16.00-17.00 sec 13.2 MBytes 110 Mbits/sec 0.043 ms 21/9942 (0.21%) [ 5] 17.00-18.00 sec 12.9 MBytes 108 Mbits/sec 0.046 ms 0/9702 (0%) [ 5] 18.00-19.00 sec 13.4 MBytes 112 Mbits/sec 0.050 ms 208/10294 (2%) [ 5] 19.00-20.00 sec 13.5 MBytes 113 Mbits/sec 0.048 ms 0/10152 (0%) - - - - - - - - - - - - - - - - - - - - - - - - -Test Complete. Summary Results:[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams[ 5] 0.00-20.04 sec 269 MBytes 113 Mbits/sec 0.000 ms 0/203058 (0%) sender[ 5] 0.00-20.00 sec 267 MBytes 112 Mbits/sec 0.048 ms 1850/203014 (0.91%) receiver* Thank you Best Regards, Zufar Dhiyaulhaq
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