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upload speed is 40% slower than download

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Maybe run the test again and be clear which machine is specified with -s in the command line and which is specified as -c in the command line ?
 
Maybe run the test again and be clear which machine is specified with -s in the command line and which is specified as -c in the command line ?
The file names reflect what is in the files. All are laptop as client. I repeated the -R test (test 2). It shows the higher thruput, but much faster than what I'm getting on Speedtest.
I hope the file names are clear. SpeedTest this morning showed 220Mbps down, and 155 up.
 

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  • iperf3 laptop client.png
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  • iperf3 laptop client -P 6.png
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  • iperf3 laptop client (Reverse)  -P 6 -R.png
    iperf3 laptop client (Reverse) -P 6 -R.png
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  • iperf3 laptop client (Reverse)  -P 6 -R (test 2).png
    iperf3 laptop client (Reverse) -P 6 -R (test 2).png
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