iperf3 software package provides Internet Protocol bandwidth measuring tool, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install iperf3
iperf3 is installed in your system.
Make ensure the iperf3 package were installed using the commands given below,
$ sudo dpkg-query -l | grep iperf3 *
You will get with iperf3 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | iperf3 |
| Version | 3.0.11-1 |
| Description | Internet Protocol bandwidth measuring tool |
| Sub Section | Net |