I will show an example of running iPerf to test network bandwidth using UDP Multicast.
Let’s start the iPerf server:
iperf -s -u -B 239.1.1.10 -i 1
An example of starting the iPerf client:
iperf -c 239.1.1.10 -u -T 3 -t 10 -i 1 -b 1000M
See also my articles:
iperf – testing network bandwidth
Console speedtest