$ iperf3 -c 10.11.11.2 -p 5202 -t 20 -u -b 900M -R -J

STDOUT
{
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				"local_port":	36150,
				"remote_host":	"10.11.11.2",
				"remote_port":	5202
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		"version":	"iperf 3.16",
		"system_info":	"Linux ubuntu-HP-ProBook-440-G5 6.17.0-20-generic #20~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Mar 19 01:28:37 UTC 2 x86_64",
		"timestamp":	{
			"time":	"Fri, 08 May 2026 20:00:39 GMT",
			"timesecs":	1778270439
		},
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		"fq_rate":	0,
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		"sum_received":	{
			"start":	0,
			"end":	20.000488,
			"seconds":	20.000488,
			"bytes":	2250008104,
			"bits_per_second":	899981282.05671775,
			"jitter_ms":	0.011945675546752457,
			"lost_packets":	0,
			"packets":	1553873,
			"lost_percent":	0,
			"sender":	false
		},
		"cpu_utilization_percent":	{
			"host_total":	33.419849905210476,
			"host_user":	9.87204600879584,
			"host_system":	23.547808894675988,
			"remote_total":	100.75851426159002,
			"remote_user":	100.75849426279595,
			"remote_system":	0
		}
	}
}

STDERR