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Commands for Bandwidth Testing Using iperf3
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iperf3-usage.md

iperf3 Usage for Bandwidth Testing

We use this command to test bandwidth and packet loss versus tether length with the Fathom-X tether interface boards.

Server (i.e. Raspberry Pi)

The IP address in this command should be the IP address of the server.

iperf3 -s -B 192.168.2.2

Client (i.e. laptop)

This command will test at 60 Mbps bandwidth maximum and will send 20,000 datagrams before terminating automatically.

iperf3 -c 192.168.2.2 -u -b 60M -k 20K

Results

Tests conducted with the Fathom-X tether interface boards between a Macbook Pro (client) and a Raspberry Pi 3 (server) through a 26AWG UTP. The tether was on a spool and in air. Results could possibly vary when unspooled and underwater.

Tether Length Max Bandwidth
100m 80 Mbps
300m 64 Mbps
1000m 28 Mbps
@dheideman
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dheideman commented Mar 20, 2018 •
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Fathom-X Slim tinned/bare tether bandwidth using iperf3:

Tether Length Tinned Bare Copper
100 m 84 Mbps 89 Mbps
500 m 20 Mbps 26 Mbps

@dheideman
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dheideman commented Apr 19, 2018 •
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Fathom-X R2 Prototype tether + Fathom-X R1 bandwidth using iperf3:

Tether Length Average Bandwidth
30 m 95.1 Mbps
100 m 95.0 Mbps
300 m 54.4 Mbps
500 m 27.2 Mbps
600 m No Connection

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