​iperf2

Intel recommends iperf2 over iperf3 for most benchmarking situations due to the ease of use and support of multiple threads in a single application instance. Intel recommends running with the -P option with 2-4 threads for 25G connections and around 6-8 threads for 100G connections.

• To run uni-directional traffic from client to server:

  Server command example: iperf2 -s

  Client command example: iperf2 -c <serverIP> -P 12

• To run bi-directional traffic from client to server (and vice versa):

  Server command example: iperf2 -s -D -p <port>

  Client command example: iperf2 -c <serverIP> -p <port> -P <threads> --full-duplex &

  or iperf2 -c <serverIP> -p <port> -P <threads> -d &