=== iperf3: tsys7→tsys6 TCP 4-stream === Client: pfv-tsys7 Server: pfv-tsys6 (10.100.100.6) Date: 2026-07-26T21:34:58Z Args: /home/reachableceo/projects/perfopt/returned-logs/iperf/tsys6-tsys7-04-tcp-4stream.log -P 4 -t 30 -l 128k -O 2 Connecting to host 10.100.100.6, port 5201 [ 5] local 10.100.100.7 port 40118 connected to 10.100.100.6 port 5201 [ 7] local 10.100.100.7 port 40128 connected to 10.100.100.6 port 5201 [ 9] local 10.100.100.7 port 40142 connected to 10.100.100.6 port 5201 [ 11] local 10.100.100.7 port 40158 connected to 10.100.100.6 port 5201 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-1.00 sec 51.6 MBytes 433 Mbits/sec 2029 191 KBytes (omitted) [ 7] 0.00-1.00 sec 17.0 MBytes 142 Mbits/sec 3662 5.66 KBytes (omitted) [ 9] 0.00-1.00 sec 1.38 MBytes 11.5 Mbits/sec 4 1.41 KBytes (omitted) [ 11] 0.00-1.00 sec 50.2 MBytes 421 Mbits/sec 1838 221 KBytes (omitted) [SUM] 0.00-1.00 sec 120 MBytes 1.01 Gbits/sec 7533 (omitted) - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 1.00-2.00 sec 45.4 MBytes 381 Mbits/sec 26 209 KBytes (omitted) [ 7] 1.00-2.00 sec 0.00 Bytes 0.00 bits/sec 106 5.66 KBytes (omitted) [ 9] 1.00-2.00 sec 21.8 MBytes 182 Mbits/sec 1 188 KBytes (omitted) [ 11] 1.00-2.00 sec 45.1 MBytes 379 Mbits/sec 13 188 KBytes (omitted) [SUM] 1.00-2.00 sec 112 MBytes 942 Mbits/sec 146 (omitted) - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 0.00-1.00 sec 37.5 MBytes 314 Mbits/sec 45 197 KBytes [ 7] 0.00-1.00 sec 0.00 Bytes 0.00 bits/sec 47 8.48 KBytes [ 9] 0.00-1.00 sec 37.4 MBytes 313 Mbits/sec 78 191 KBytes [ 11] 0.00-1.00 sec 37.6 MBytes 315 Mbits/sec 84 198 KBytes [SUM] 0.00-1.00 sec 112 MBytes 943 Mbits/sec 254 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 1.00-2.00 sec 18.4 MBytes 154 Mbits/sec 1750 102 KBytes [ 7] 1.00-2.00 sec 38.6 MBytes 324 Mbits/sec 4365 84.8 KBytes [ 9] 1.00-2.00 sec 34.1 MBytes 286 Mbits/sec 3199 113 KBytes [ 11] 1.00-2.00 sec 20.8 MBytes 174 Mbits/sec 2017 178 KBytes [SUM] 1.00-2.00 sec 112 MBytes 938 Mbits/sec 11331 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 2.00-3.00 sec 30.0 MBytes 252 Mbits/sec 988 168 KBytes [ 7] 2.00-3.00 sec 8.25 MBytes 69.2 Mbits/sec 1560 170 KBytes [ 9] 2.00-3.00 sec 37.0 MBytes 310 Mbits/sec 1051 198 KBytes [ 11] 2.00-3.00 sec 37.1 MBytes 311 Mbits/sec 1178 156 KBytes [SUM] 2.00-3.00 sec 112 MBytes 943 Mbits/sec 4777 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 3.00-4.00 sec 37.6 MBytes 316 Mbits/sec 326 212 KBytes [ 7] 3.00-4.00 sec 896 KBytes 7.34 Mbits/sec 392 29.7 KBytes [ 9] 3.00-4.00 sec 37.5 MBytes 315 Mbits/sec 282 209 KBytes [ 11] 3.00-4.00 sec 36.1 MBytes 303 Mbits/sec 283 195 KBytes [SUM] 3.00-4.00 sec 112 MBytes 941 Mbits/sec 1283 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 4.00-5.00 sec 37.5 MBytes 315 Mbits/sec 335 198 KBytes [ 7] 4.00-5.00 sec 2.00 MBytes 16.8 Mbits/sec 204 5.66 KBytes [ 9] 4.00-5.00 sec 37.4 MBytes 314 Mbits/sec 355 202 KBytes [ 11] 4.00-5.00 sec 37.2 MBytes 312 Mbits/sec 287 170 KBytes [SUM] 4.00-5.00 sec 114 MBytes 957 Mbits/sec 1181 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 5.00-6.00 sec 36.8 MBytes 308 Mbits/sec 127 191 KBytes [ 7] 5.00-6.00 sec 0.00 Bytes 0.00 bits/sec 253 14.1 KBytes [ 9] 5.00-6.00 sec 36.6 MBytes 307 Mbits/sec 138 198 KBytes [ 11] 5.00-6.00 sec 37.2 MBytes 312 Mbits/sec 140 156 KBytes [SUM] 5.00-6.00 sec 111 MBytes 928 Mbits/sec 658 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 6.00-7.00 sec 3.62 MBytes 30.4 Mbits/sec 491 1.41 KBytes [ 7] 6.00-7.00 sec 103 MBytes 864 Mbits/sec 1101 232 KBytes [ 9] 6.00-7.00 sec 2.75 MBytes 23.1 Mbits/sec 346 7.07 KBytes [ 11] 6.00-7.00 sec 3.25 MBytes 27.3 Mbits/sec 718 5.66 KBytes [SUM] 6.00-7.00 sec 113 MBytes 945 Mbits/sec 2656 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 7.00-8.00 sec 0.00 Bytes 0.00 bits/sec 164 33.9 KBytes [ 7] 7.00-8.00 sec 111 MBytes 928 Mbits/sec 781 5.66 KBytes [ 9] 7.00-8.00 sec 896 KBytes 7.34 Mbits/sec 111 17.0 KBytes [ 11] 7.00-8.00 sec 0.00 Bytes 0.00 bits/sec 7 1.41 KBytes [SUM] 7.00-8.00 sec 112 MBytes 935 Mbits/sec 1063 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 8.00-9.00 sec 6.12 MBytes 51.4 Mbits/sec 715 168 KBytes [ 7] 8.00-9.00 sec 93.1 MBytes 781 Mbits/sec 1258 168 KBytes [ 9] 8.00-9.00 sec 5.12 MBytes 43.0 Mbits/sec 129 28.3 KBytes [ 11] 8.00-9.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 8.00-9.00 sec 104 MBytes 875 Mbits/sec 2103 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 9.00-10.00 sec 16.6 MBytes 139 Mbits/sec 3296 221 KBytes [ 7] 9.00-10.00 sec 96.2 MBytes 807 Mbits/sec 4659 216 KBytes [ 9] 9.00-10.00 sec 896 KBytes 7.34 Mbits/sec 165 32.5 KBytes [ 11] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 9.00-10.00 sec 114 MBytes 954 Mbits/sec 8121 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 10.00-11.00 sec 15.5 MBytes 130 Mbits/sec 3184 1.41 KBytes [ 7] 10.00-11.00 sec 95.2 MBytes 799 Mbits/sec 4289 240 KBytes [ 9] 10.00-11.00 sec 1.88 MBytes 15.7 Mbits/sec 514 5.66 KBytes [ 11] 10.00-11.00 sec 0.00 Bytes 0.00 bits/sec 31 133 KBytes [SUM] 10.00-11.00 sec 113 MBytes 945 Mbits/sec 8018 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 11.00-12.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [ 7] 11.00-12.00 sec 107 MBytes 901 Mbits/sec 2138 240 KBytes [ 9] 11.00-12.00 sec 5.38 MBytes 45.1 Mbits/sec 1062 5.66 KBytes [ 11] 11.00-12.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 11.00-12.00 sec 113 MBytes 946 Mbits/sec 3202 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 12.00-13.00 sec 9.38 MBytes 78.6 Mbits/sec 1462 8.48 KBytes [ 7] 12.00-13.00 sec 98.8 MBytes 828 Mbits/sec 2361 240 KBytes [ 9] 12.00-13.00 sec 0.00 Bytes 0.00 bits/sec 24 8.48 KBytes [ 11] 12.00-13.00 sec 1.00 MBytes 8.39 Mbits/sec 310 1.41 KBytes [SUM] 12.00-13.00 sec 109 MBytes 915 Mbits/sec 4157 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 13.00-14.00 sec 13.9 MBytes 116 Mbits/sec 3042 1.41 KBytes [ 7] 13.00-14.00 sec 98.5 MBytes 826 Mbits/sec 4512 243 KBytes [ 9] 13.00-14.00 sec 0.00 Bytes 0.00 bits/sec 118 11.3 KBytes [ 11] 13.00-14.00 sec 1.12 MBytes 9.44 Mbits/sec 123 1.41 KBytes [SUM] 13.00-14.00 sec 114 MBytes 952 Mbits/sec 7795 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 14.00-15.00 sec 0.00 Bytes 0.00 bits/sec 19 1.41 KBytes [ 7] 14.00-15.00 sec 112 MBytes 938 Mbits/sec 34 240 KBytes [ 9] 14.00-15.00 sec 0.00 Bytes 0.00 bits/sec 28 1.41 KBytes [ 11] 14.00-15.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 14.00-15.00 sec 112 MBytes 938 Mbits/sec 82 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 15.00-16.00 sec 36.4 MBytes 305 Mbits/sec 2330 189 KBytes [ 7] 15.00-16.00 sec 71.6 MBytes 601 Mbits/sec 3748 291 KBytes [ 9] 15.00-16.00 sec 4.00 MBytes 33.6 Mbits/sec 708 119 KBytes [ 11] 15.00-16.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 15.00-16.00 sec 112 MBytes 940 Mbits/sec 6787 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 16.00-17.00 sec 29.6 MBytes 249 Mbits/sec 6144 243 KBytes [ 7] 16.00-17.00 sec 68.0 MBytes 570 Mbits/sec 7490 243 KBytes [ 9] 16.00-17.00 sec 13.6 MBytes 114 Mbits/sec 2391 1.41 KBytes [ 11] 16.00-17.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 16.00-17.00 sec 111 MBytes 933 Mbits/sec 16026 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 17.00-18.00 sec 56.6 MBytes 475 Mbits/sec 4745 266 KBytes [ 7] 17.00-18.00 sec 21.1 MBytes 177 Mbits/sec 4774 153 KBytes [ 9] 17.00-18.00 sec 35.8 MBytes 300 Mbits/sec 1229 263 KBytes [ 11] 17.00-18.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 17.00-18.00 sec 114 MBytes 952 Mbits/sec 10748 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 18.00-19.00 sec 26.5 MBytes 222 Mbits/sec 381 11.3 KBytes [ 7] 18.00-19.00 sec 52.6 MBytes 441 Mbits/sec 854 243 KBytes [ 9] 18.00-19.00 sec 24.9 MBytes 209 Mbits/sec 422 11.3 KBytes [ 11] 18.00-19.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 18.00-19.00 sec 104 MBytes 872 Mbits/sec 1657 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 19.00-20.00 sec 7.25 MBytes 60.8 Mbits/sec 1320 130 KBytes [ 7] 19.00-20.00 sec 102 MBytes 858 Mbits/sec 2500 274 KBytes [ 9] 19.00-20.00 sec 1.00 MBytes 8.39 Mbits/sec 564 93.3 KBytes [ 11] 19.00-20.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 19.00-20.00 sec 110 MBytes 927 Mbits/sec 4384 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 20.00-21.00 sec 4.50 MBytes 37.7 Mbits/sec 1278 5.66 KBytes [ 7] 20.00-21.00 sec 96.9 MBytes 813 Mbits/sec 3323 240 KBytes [ 9] 20.00-21.00 sec 12.6 MBytes 106 Mbits/sec 1916 5.66 KBytes [ 11] 20.00-21.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 20.00-21.00 sec 114 MBytes 956 Mbits/sec 6518 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 21.00-22.00 sec 1.00 MBytes 8.39 Mbits/sec 199 1.41 KBytes [ 7] 21.00-22.00 sec 112 MBytes 936 Mbits/sec 352 243 KBytes [ 9] 21.00-22.00 sec 0.00 Bytes 0.00 bits/sec 194 1.41 KBytes [ 11] 21.00-22.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 21.00-22.00 sec 113 MBytes 945 Mbits/sec 745 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 22.00-23.00 sec 0.00 Bytes 0.00 bits/sec 89 5.66 KBytes [ 7] 22.00-23.00 sec 92.1 MBytes 773 Mbits/sec 3671 243 KBytes [ 9] 22.00-23.00 sec 21.1 MBytes 177 Mbits/sec 3402 5.66 KBytes [ 11] 22.00-23.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 22.00-23.00 sec 113 MBytes 950 Mbits/sec 7162 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 23.00-24.00 sec 0.00 Bytes 0.00 bits/sec 23 1.41 KBytes [ 7] 23.00-24.00 sec 110 MBytes 923 Mbits/sec 1037 243 KBytes [ 9] 23.00-24.00 sec 896 KBytes 7.34 Mbits/sec 382 67.9 KBytes [ 11] 23.00-24.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 23.00-24.00 sec 111 MBytes 930 Mbits/sec 1442 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 24.00-25.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [ 7] 24.00-25.00 sec 97.4 MBytes 817 Mbits/sec 4378 252 KBytes [ 9] 24.00-25.00 sec 15.4 MBytes 129 Mbits/sec 3263 11.3 KBytes [ 11] 24.00-25.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 24.00-25.00 sec 113 MBytes 946 Mbits/sec 7642 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 25.00-26.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [ 7] 25.00-26.00 sec 113 MBytes 948 Mbits/sec 15 243 KBytes [ 9] 25.00-26.00 sec 0.00 Bytes 0.00 bits/sec 47 1.41 KBytes [ 11] 25.00-26.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 25.00-26.00 sec 113 MBytes 948 Mbits/sec 62 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 26.00-27.00 sec 0.00 Bytes 0.00 bits/sec 53 9.90 KBytes [ 7] 26.00-27.00 sec 111 MBytes 933 Mbits/sec 90 240 KBytes [ 9] 26.00-27.00 sec 0.00 Bytes 0.00 bits/sec 57 11.3 KBytes [ 11] 26.00-27.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 26.00-27.00 sec 111 MBytes 933 Mbits/sec 200 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 27.00-28.00 sec 50.0 MBytes 419 Mbits/sec 3735 269 KBytes [ 7] 27.00-28.00 sec 28.5 MBytes 239 Mbits/sec 3923 5.66 KBytes [ 9] 27.00-28.00 sec 33.9 MBytes 284 Mbits/sec 678 266 KBytes [ 11] 27.00-28.00 sec 0.00 Bytes 0.00 bits/sec 1 1.41 KBytes [SUM] 27.00-28.00 sec 112 MBytes 943 Mbits/sec 8337 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 28.00-29.00 sec 14.8 MBytes 124 Mbits/sec 1356 5.66 KBytes [ 7] 28.00-29.00 sec 63.5 MBytes 533 Mbits/sec 1759 243 KBytes [ 9] 28.00-29.00 sec 16.0 MBytes 134 Mbits/sec 1265 5.66 KBytes [ 11] 28.00-29.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 28.00-29.00 sec 94.2 MBytes 791 Mbits/sec 4380 - - - - - - - - - - - - - - - - - - - - - - - - - [ 5] 29.00-30.00 sec 0.00 Bytes 0.00 bits/sec 161 1.41 KBytes [ 7] 29.00-30.00 sec 108 MBytes 905 Mbits/sec 2019 240 KBytes [ 9] 29.00-30.00 sec 5.00 MBytes 42.0 Mbits/sec 1219 70.7 KBytes [ 11] 29.00-30.00 sec 0.00 Bytes 0.00 bits/sec 0 1.41 KBytes [SUM] 29.00-30.00 sec 113 MBytes 947 Mbits/sec 3399 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-30.00 sec 490 MBytes 137 Mbits/sec 37760 sender [ 5] 0.00-30.00 sec 489 MBytes 137 Mbits/sec receiver [ 7] 0.00-30.00 sec 2.16 GBytes 619 Mbits/sec 67887 sender [ 7] 0.00-30.00 sec 2.16 GBytes 618 Mbits/sec receiver [ 9] 0.00-30.00 sec 421 MBytes 118 Mbits/sec 25337 sender [ 9] 0.00-30.00 sec 421 MBytes 118 Mbits/sec receiver [ 11] 0.00-30.00 sec 212 MBytes 59.1 Mbits/sec 5186 sender [ 11] 0.00-30.00 sec 210 MBytes 58.8 Mbits/sec receiver [SUM] 0.00-30.00 sec 3.26 GBytes 932 Mbits/sec 136170 sender [SUM] 0.00-30.00 sec 3.25 GBytes 931 Mbits/sec receiver iperf Done. === END ===