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Ethernet Performance Testing

Introduction​

This article shows how to test Ethernet performance. This requires an external device for the device under test (DUT) to connect to.

Setup an iperf3 server on DUT​

First, get the IP address of the DUT:

# ifconfig

Then, start up iperf3 as a server:

# iperf3 -s

On the other device (which you are using to test), run the client:

Run a TCP test for 30 seconds:
# iperf3 -c <ip address of DUT> -t 30
Run a UDP test for 30 seconds:
# iperf3 -c <ip address of DUT> -u -t 30 -P 2 -b 0

Either the DUT or the partner device can be the client or the server.