iPerf3 Installation Instructions


Follow the instructions below to test your network performance with iPerf3.
Execute the commands for your operating system.


Ubuntu & Debian


apt-get install iperf3


CentOS


yum install iperf3


Windows


Download, extract and run the following file:
iPerf 3.1.3 (8 jun 2016 - 1.3 MiB for Windows Vista 64bits to Windows 10 64bits)

Open the command prompt (cmd.exe)
Then use cd to navigate to the folder you extracted from.
Run the following command:

iperf3.exe -c speedtest.ams1.novogara.net -p 5200 -P 10


Other / Linux manual installation


sudo wget -O /usr/lib/libiperf.so.0 http://speedtest.ams1.novogara.net/downloads/libiperf.so.0_3.1.3
sudo wget -O /usr/bin/iperf3 http://speedtest.ams1.novogara.net/downloads/iperf3_3.1.3
sudo chmod +x /usr/bin/iperf3


Run iPerf3 test


After installing iPerf3 you can start testing the network performance.
Run the following command: 

iperf3 -c speedtest.ams1.novogara.net -p 5200 -P 10 -4


If you would like to run iPerf3 over IPv6 use the following command: 

iperf3 -c speedtest.ams1.novogara.net -p 5200 -P 10 -6


Server is busy


If you get the following error: 

iperf3: error - the server is busy running a test. try again later
It means that the current port is busy. You can just increment the port.

Examples: 
iperf3 -c speedtest.ams1.novogara.net -p 5201 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5202 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5203 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5204 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5205 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5206 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5207 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5208 -P 10
iperf3 -c speedtest.ams1.novogara.net -p 5209 -P 10