iperf3
quick installation
wget -O /usr/lib/libiperf.so.0 https://iperf.fr/download/ubuntu/libiperf.so.0_3.1.3 wget -O /usr/bin/iperf3 https://iperf.fr/download/ubuntu/iperf3_3.1.3 chmod +x /usr/bin/iperf3
Note: The installation may iperf3 will receive an error when under CentOS 7
iperf3: error while loading shared libraries: libiperf.so.0: can not open shared object file: No such file or directory
in general because of the iperf3 wget dynamic link library, but failed to update the shared library, you need to manually execute ldconfig command to create a connection and cache files.
Installation, use iperf -v or iperf3 -v view version