Created
August 1, 2015 23:20
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A quick example showing how OpenVPN's compression can skew the results of a benchmark.
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| ~ > iperf -u -c 10.8.0.14 -t600 -b 31M | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 3] local 10.8.0.6 port 59585 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 3] 0.0-600.0 sec 2.17 GBytes 31.0 Mbits/sec | |
| [ 3] Sent 1583073 datagrams | |
| [ 3] Server Report: | |
| [ 3] 0.0-600.1 sec 2.06 GBytes 29.5 Mbits/sec 0.468 ms 75984/1583072 (4.8%) | |
| [ 3] 0.0-600.1 sec 2458 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 31M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 60853 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 222 MBytes 31.0 Mbits/sec | |
| [ 4] Sent 158296 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-60.6 sec 12.7 MBytes 1.76 Mbits/sec 3.059 ms 149240/158295 (94%) | |
| [ 4] 0.0-60.6 sec 334 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 2M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 60177 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 14.3 MBytes 2.00 Mbits/sec | |
| [ 4] Sent 10206 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-59.9 sec 14.3 MBytes 2.00 Mbits/sec 4.874 ms 11/10206 (0.11%) | |
| [ 4] 0.0-59.9 sec 266 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 2.1M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 33390 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 15.0 MBytes 2.10 Mbits/sec | |
| [ 4] Sent 10716 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-59.9 sec 15.0 MBytes 2.09 Mbits/sec 3.899 ms 51/10716 (0.48%) | |
| [ 4] 0.0-59.9 sec 404 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 4M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 42592 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 28.6 MBytes 4.00 Mbits/sec | |
| [ 4] Sent 20410 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-60.4 sec 23.2 MBytes 3.23 Mbits/sec 2.989 ms 3841/20410 (19%) | |
| [ 4] 0.0-60.4 sec 905 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 3.5M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 48437 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 25.0 MBytes 3.50 Mbits/sec | |
| [ 4] Sent 17859 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-60.0 sec 25.0 MBytes 3.50 Mbits/sec 3.058 ms 14/17857 (0.078%) | |
| [ 4] 0.0-60.0 sec 545 datagrams received out-of-order | |
| ~ > iperf -u -c 10.8.0.14 -t60 -b 3.75M -F Downloads/Win10_English_x64.iso | |
| ------------------------------------------------------------ | |
| Client connecting to 10.8.0.14, UDP port 5001 | |
| Sending 1470 byte datagrams | |
| UDP buffer size: 208 KByte (default) | |
| ------------------------------------------------------------ | |
| [ 4] local 10.8.0.6 port 52464 connected with 10.8.0.14 port 5001 | |
| [ ID] Interval Transfer Bandwidth | |
| [ 4] 0.0-60.0 sec 26.8 MBytes 3.75 Mbits/sec | |
| [ 4] Sent 19134 datagrams | |
| [ 4] Server Report: | |
| [ 4] 0.0-60.4 sec 24.8 MBytes 3.45 Mbits/sec 2.914 ms 1441/19133 (7.5%) | |
| [ 4] 0.0-60.4 sec 685 datagrams received out-of-order |
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