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

STDOUT
{
	"start":	{
		"connected":	[{
				"socket":	5,
				"local_host":	"10.11.11.3",
				"local_port":	35492,
				"remote_host":	"10.11.11.2",
				"remote_port":	5202
			}],
		"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 20:15:09 GMT",
			"timesecs":	1778271309
		},
		"connecting_to":	{
			"host":	"10.11.11.2",
			"port":	5202
		},
		"cookie":	"4k7tljjs6iliv4ztcqosuvuu2zp3sldxgaib",
		"target_bitrate":	900000000,
		"fq_rate":	0,
		"sock_bufsize":	0,
		"sndbuf_actual":	212992,
		"rcvbuf_actual":	212992,
		"test_start":	{
			"protocol":	"UDP",
			"num_streams":	1,
			"blksize":	1448,
			"omit":	0,
			"duration":	20,
			"bytes":	0,
			"blocks":	0,
			"reverse":	0,
			"tos":	0,
			"target_bitrate":	900000000,
			"bidir":	0,
			"fqrate":	0
		}
	},
	"intervals":	[{
			"streams":	[{
					"socket":	5,
					"start":	0,
					"end":	1.000063,
					"seconds":	1.0000629425048828,
					"bytes":	112411136,
					"bits_per_second":	899232488.05472982,
					"packets":	77632,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	0,
				"end":	1.000063,
				"seconds":	1.0000629425048828,
				"bytes":	112411136,
				"bits_per_second":	899232488.05472982,
				"packets":	77632,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
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					"seconds":	0.99999898672103882,
					"bytes":	112500912,
					"bits_per_second":	900008207.959382,
					"packets":	77694,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	1.000063,
				"end":	2.000062,
				"seconds":	0.99999898672103882,
				"bytes":	112500912,
				"bits_per_second":	900008207.959382,
				"packets":	77694,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
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					"seconds":	1,
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					"bits_per_second":	900030464,
					"packets":	77696,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	2.000062,
				"end":	3.000062,
				"seconds":	1,
				"bytes":	112503808,
				"bits_per_second":	900030464,
				"packets":	77696,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
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					"end":	4.000061,
					"seconds":	0.99999898672103882,
					"bytes":	112496568,
					"bits_per_second":	899973455.92416847,
					"packets":	77691,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	3.000062,
				"end":	4.000061,
				"seconds":	0.99999898672103882,
				"bytes":	112496568,
				"bits_per_second":	899973455.92416847,
				"packets":	77691,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	4.000061,
					"end":	5.000087,
					"seconds":	1.0000259876251221,
					"bytes":	112499464,
					"bits_per_second":	899972323.85662735,
					"packets":	77693,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	4.000061,
				"end":	5.000087,
				"seconds":	1.0000259876251221,
				"bytes":	112499464,
				"bits_per_second":	899972323.85662735,
				"packets":	77693,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
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					"seconds":	0.999975025653839,
					"bytes":	112500912,
					"bits_per_second":	900029773.6551224,
					"packets":	77694,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	5.000087,
				"end":	6.000062,
				"seconds":	0.999975025653839,
				"bytes":	112500912,
				"bits_per_second":	900029773.6551224,
				"packets":	77694,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	6.000062,
					"end":	7.000062,
					"seconds":	1,
					"bytes":	112499464,
					"bits_per_second":	899995712,
					"packets":	77693,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	6.000062,
				"end":	7.000062,
				"seconds":	1,
				"bytes":	112499464,
				"bits_per_second":	899995712,
				"packets":	77693,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	7.000062,
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					"seconds":	1,
					"bytes":	112500912,
					"bits_per_second":	900007296,
					"packets":	77694,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	7.000062,
				"end":	8.000062,
				"seconds":	1,
				"bytes":	112500912,
				"bits_per_second":	900007296,
				"packets":	77694,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	8.000062,
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					"seconds":	1,
					"bytes":	112502360,
					"bits_per_second":	900018880,
					"packets":	77695,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	8.000062,
				"end":	9.000062,
				"seconds":	1,
				"bytes":	112502360,
				"bits_per_second":	900018880,
				"packets":	77695,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	9.000062,
					"end":	10.000062,
					"seconds":	1,
					"bytes":	112498016,
					"bits_per_second":	899984128,
					"packets":	77692,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	9.000062,
				"end":	10.000062,
				"seconds":	1,
				"bytes":	112498016,
				"bits_per_second":	899984128,
				"packets":	77692,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	10.000062,
					"end":	11.000062,
					"seconds":	1,
					"bytes":	112499464,
					"bits_per_second":	899995712,
					"packets":	77693,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	10.000062,
				"end":	11.000062,
				"seconds":	1,
				"bytes":	112499464,
				"bits_per_second":	899995712,
				"packets":	77693,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	11.000062,
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					"seconds":	1,
					"bytes":	112499464,
					"bits_per_second":	899995712,
					"packets":	77693,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	11.000062,
				"end":	12.000062,
				"seconds":	1,
				"bytes":	112499464,
				"bits_per_second":	899995712,
				"packets":	77693,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	12.000062,
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					"seconds":	1,
					"bytes":	112500912,
					"bits_per_second":	900007296,
					"packets":	77694,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
				"start":	12.000062,
				"end":	13.000062,
				"seconds":	1,
				"bytes":	112500912,
				"bits_per_second":	900007296,
				"packets":	77694,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
					"socket":	5,
					"start":	13.000062,
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					"seconds":	1,
					"bytes":	112499464,
					"bits_per_second":	899995712,
					"packets":	77693,
					"omitted":	false,
					"sender":	true
				}],
			"sum":	{
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				"seconds":	1,
				"bytes":	112499464,
				"bits_per_second":	899995712,
				"packets":	77693,
				"omitted":	false,
				"sender":	true
			}
		}, {
			"streams":	[{
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					"seconds":	1,
					"bytes":	112500912,
					"bits_per_second":	900007296,
					"packets":	77694,
					"omitted":	false,
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				}],
			"sum":	{
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				"seconds":	1,
				"bytes":	112500912,
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			}
		}, {
			"streams":	[{
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					"bits_per_second":	899995712,
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				}],
			"sum":	{
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				"seconds":	1,
				"bytes":	112499464,
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			}
		}, {
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				}],
			"sum":	{
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			}
		}, {
			"streams":	[{
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					"seconds":	0.99999898672103882,
					"bytes":	112502360,
					"bits_per_second":	900019791.97112,
					"packets":	77695,
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				}],
			"sum":	{
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				"seconds":	0.99999898672103882,
				"bytes":	112502360,
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		}, {
			"streams":	[{
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				}],
			"sum":	{
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		}, {
			"streams":	[{
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			"sum":	{
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	"end":	{
		"streams":	[{
				"udp":	{
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					"bits_per_second":	899951785.108759,
					"jitter_ms":	0.010443516671235937,
					"lost_packets":	0,
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					"lost_percent":	0,
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				}
			}],
		"sum":	{
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		"sum_sent":	{
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		},
		"sum_received":	{
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		},
		"cpu_utilization_percent":	{
			"host_total":	100.82840853182647,
			"host_user":	100.8090657842894,
			"host_system":	0.01932274986577813,
			"remote_total":	65.938203455287123,
			"remote_user":	17.157610532804469,
			"remote_system":	48.780577923102882
		}
	}
}

STDERR
