6.5.4 Performing iPerf Tests

The user can use iperf3 command to evaluate the throughput of the Wi-Fi® interface.

To download the iPerf tool, go to iPerf.
Note: When performing a test, ensure the PC acts as peer device and connected to the same network of the evaluation board for testing.
Perform the Downlink test (PC sending the packets to evaluation board).
1. On the evaluation board, start the iPerf server using the following command:
```
iperf3 -s 
```
2. On the PC, initiate the downlink test using the following command:
```
iper3 -c <IP_ADDRESS> -i 1
```
  Figure 6-13. Downlink – Test COM38 (Evaluation Board) and Command Prompt (PC) iPerf Log
Perform the uplink test (Evaluation board sending packets to PC).
1. On the PC, start the iPerf server with the following command:
```
iper3 -s
```
2. On the evaluation board, initiate the uplink test using the following command:
```
iper3 -c <IP_ADDRESS> -i 1 
```
  Figure 6-14. Uplink Test – COM38 (Evaluation Board) and Command Prompt (PC) iPerf Log