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Checking Bandwidth with iPerf3

    Download the latest iPerf3 for Windows

    Extract the files and copy them to your server and to a client.

    The Server

    Add a firewall rule to allow iPerf3.exe

    New-NetFirewallRule -DisplayName "iPerf3" -Direction Inbound -Program "C:\iperf3.exe" -Action Allow -Profile Domain,Private,Public

    or

    Open Windows Firewall Manager

    Right click Inbound Rules -> New Rule -> Program -> Browse -> Browse to the iPerf exe -> Allow the connection -> All profiles -> Name it iPerf

    Open a terminal in the iPerf directory and run:

    .\iperf3.exe -s

    The Client

    Open a terminal in the iPerf directory and run:

    .\iperf3.exe -c <server-ip-address>