Hi, so, I was able to debug this on the RT1062 with the new ethernet shield.
- You forgot to turn on DHCP in your script on the Portenta:
nic = network.LAN()
nic.active(True)
nic.ifconfig("dhcp")
- Here’s a log for my round-trip time:
Received b'Hello, server'
Round-trip time: 260.299 ms
Received b'Hello, server'
Round-trip time: 22.581 ms
Received b'Hello, server'
Round-trip time: 17.422 ms
Received b'Hello, server'
Round-trip time: 21.405 ms
Received b'Hello, server'
Round-trip time: 20.219 ms
Received b'Hello, server'
Round-trip time: 20.48 ms
Received b'Hello, server'
Round-trip time: 20.615 ms
Received b'Hello, server'
Round-trip time: 21.747 ms
Received b'Hello, server'
Round-trip time: 19.911 ms
Received b'Hello, server'
Round-trip time: 20.974 ms
Received b'Hello, server'
Round-trip time: 20.26 ms
Received b'Hello, server'
Round-trip time: 20.442 ms
Received b'Hello, server'
Round-trip time: 20.612 ms
Received b'Hello, server'
Round-trip time: 20.093 ms
Received b'Hello, server'
Round-trip time: 21.404 ms
Received b'Hello, server'
Round-trip time: 21.274 ms
Received b'Hello, server'
Round-trip time: 21.056 ms
Received b'Hello, server'
Round-trip time: 20.763 ms
Received b'Hello, server'
Round-trip time: 21.229 ms
Received b'Hello, server'
Round-trip time: 26.665 ms
Received b'Hello, server'
Round-trip time: 14.531 ms
Received b'Hello, server'
Round-trip time: 20.717 ms
Received b'Hello, server'
Round-trip time: 20.32 ms
Received b'Hello, server'
Round-trip time: 20.822 ms
Received b'Hello, server'
Round-trip time: 20.646 ms
Received b'Hello, server'
Round-trip time: 514.952 ms
Received b'Hello, server'
Round-trip time: 19.988 ms
Received b'Hello, server'
Round-trip time: 21.723 ms
Received b'Hello, server'
Round-trip time: 21.187 ms
Received b'Hello, server'
Round-trip time: 19.392 ms
Received b'Hello, server'
Round-trip time: 20.626 ms
Received b'Hello, server'
Round-trip time: 20.222 ms
Received b'Hello, server'
Round-trip time: 20.545 ms
Received b'Hello, server'
Round-trip time: 21.844 ms
Received b'Hello, server'
Round-trip time: 19.254 ms
Received b'Hello, server'
Round-trip time: 20.618 ms
Received b'Hello, server'
Round-trip time: 20.329 ms
Received b'Hello, server'
Round-trip time: 20.363 ms
Received b'Hello, server'
Round-trip time: 21.749 ms
Received b'Hello, server'
Round-trip time: 19.717 ms
Received b'Hello, server'
Round-trip time: 20.516 ms
Received b'Hello, server'
Round-trip time: 20.466 ms
Received b'Hello, server'
Round-trip time: 20.613 ms
Received b'Hello, server'
Round-trip time: 20.564 ms
Received b'Hello, server'
Round-trip time: 20.299 ms
Received b'Hello, server'
Round-trip time: 21.347 ms
Received b'Hello, server'
Round-trip time: 20.396 ms
Received b'Hello, server'
Round-trip time: 19.97 ms
Received b'Hello, server'
Round-trip time: 20.371 ms
Received b'Hello, server'
Round-trip time: 19.996 ms
Received b'Hello, server'
Round-trip time: 19.825 ms
Received b'Hello, server'
Round-trip time: 20.572 ms
Received b'Hello, server'
Round-trip time: 20.226 ms
Received b'Hello, server'
Round-trip time: 20.608 ms
Received b'Hello, server'
Round-trip time: 20.564 ms
Received b'Hello, server'
Round-trip time: 20.299 ms
Received b'Hello, server'
Round-trip time: 20.557 ms
Received b'Hello, server'
Round-trip time: 21.574 ms
Received b'Hello, server'
Round-trip time: 20.216 ms
Received b'Hello, server'
Round-trip time: 20.573 ms
Received b'Hello, server'
Round-trip time: 20.467 ms
Received b'Hello, server'
Round-trip time: 20.709 ms
Received b'Hello, server'
Round-trip time: 20.608 ms
Received b'Hello, server'
Round-trip time: 20.564 ms
Received b'Hello, server'
Round-trip time: 20.614 ms
Received b'Hello, server'
Round-trip time: 25.256 ms
Received b'Hello, server'
Round-trip time: 6.809 ms
Received b'Hello, server'
Round-trip time: 20.574 ms
Received b'Hello, server'
Round-trip time: 20.517 ms
Received b'Hello, server'
Round-trip time: 20.66 ms
Received b'Hello, server'
Round-trip time: 20.711 ms
Received b'Hello, server'
Round-trip time: 20.91 ms
Received b'Hello, server'
Round-trip time: 20.512 ms
Received b'Hello, server'
Round-trip time: 21.053 ms
Received b'Hello, server'
Round-trip time: 20.95 ms
Received b'Hello, server'
Round-trip time: 20.181 ms
Received b'Hello, server'
Round-trip time: 21.228 ms
Received b'Hello, server'
Round-trip time: 20.652 ms
Received b'Hello, server'
Round-trip time: 20.583 ms
Received b'Hello, server'
Round-trip time: 20.485 ms
Received b'Hello, server'
Round-trip time: 19.548 ms
Received b'Hello, server'
Round-trip time: 20.188 ms
Received b'Hello, server'
Round-trip time: 20.988 ms
Received b'Hello, server'
Round-trip time: 20.885 ms
Received b'Hello, server'
Round-trip time: 20.75 ms
Received b'Hello, server'
Round-trip time: 20.398 ms
Received b'Hello, server'
Round-trip time: 20.261 ms
Received b'Hello, server'
Round-trip time: 20.751 ms
Received b'Hello, server'
Round-trip time: 26.528 ms
Received b'Hello, server'
Round-trip time: 14.394 ms
Received b'Hello, server'
Round-trip time: 20.837 ms
Received b'Hello, server'
Round-trip time: 20.662 ms
Received b'Hello, server'
Round-trip time: 21.352 ms
Received b'Hello, server'
Round-trip time: 20.045 ms
Received b'Hello, server'
Round-trip time: 21.859 ms
Received b'Hello, server'
Round-trip time: 21.395 ms
Received b'Hello, server'
Round-trip time: 20.394 ms
Received b'Hello, server'
Round-trip time: 19.443 ms
Received b'Hello, server'
Round-trip time: 21.531 ms
Received b'Hello, server'
Round-trip time: 21.851 ms
Received b'Hello, server'
Round-trip time: 21.883 ms
Received b'Hello, server'
Round-trip time: 20.689 ms
Received b'Hello, server'
Round-trip time: 19.219 ms
Received b'Hello, server'
Round-trip time: 21.138 ms
Received b'Hello, server'
Round-trip time: 20.002 ms
Received b'Hello, server'
Round-trip time: 19.08 ms
Received b'Hello, server'
Round-trip time: 20.348 ms
Received b'Hello, server'
Round-trip time: 20.721 ms
Received b'Hello, server'
Round-trip time: 21.008 ms
Received b'Hello, server'
Round-trip time: 20.482 ms
Received b'Hello, server'
Round-trip time: 19.944 ms
Received b'Hello, server'
Round-trip time: 20.576 ms
Received b'Hello, server'
Round-trip time: 12.914 ms
Received b'Hello, server'
Round-trip time: 23.033 ms
Received b'Hello, server'
Round-trip time: 18.207 ms
Received b'Hello, server'
Round-trip time: 21.192 ms
Received b'Hello, server'
Round-trip time: 21.267 ms
Received b'Hello, server'
Round-trip time: 21.088 ms
Received b'Hello, server'
Round-trip time: 21.456 ms
Received b'Hello, server'
Round-trip time: 19.807 ms
Received b'Hello, server'
Round-trip time: 20.775 ms
Received b'Hello, server'
Round-trip time: 20.959 ms
Received b'Hello, server'
Round-trip time: 20.747 ms
Received b'Hello, server'
Round-trip time: 18.991 ms
Received b'Hello, server'
Round-trip time: 20.738 ms
Received b'Hello, server'
Round-trip time: 20.524 ms
Received b'Hello, server'
Round-trip time: 19.503 ms
Received b'Hello, server'
Round-trip time: 20.222 ms
Received b'Hello, server'
Round-trip time: 21.357 ms
Received b'Hello, server'
Round-trip time: 20.561 ms
Received b'Hello, server'
Round-trip time: 22.055 ms
Received b'Hello, server'
Round-trip time: 20.62 ms
Received b'Hello, server'
Round-trip time: 30.458 ms
Received b'Hello, server'
Round-trip time: 9.463 ms
Received b'Hello, server'
Round-trip time: 21.018 ms
Received b'Hello, server'
Round-trip time: 21.749 ms
I’m going from ethernet on the RT1062 to WiFi on my PC. I get about 20 ms, which seems reasonable.
As for testing on the Portenta:
Received b'Hello, server'
Round-trip time: 187.903 ms
Received b'Hello, server'
Round-trip time: 20.96 ms
Received b'Hello, server'
Round-trip time: 26.255 ms
Received b'Hello, server'
Round-trip time: 16.408 ms
Received b'Hello, server'
Round-trip time: 21.091 ms
Received b'Hello, server'
Round-trip time: 22.579 ms
Received b'Hello, server'
Round-trip time: 20.566 ms
Received b'Hello, server'
Round-trip time: 22.01 ms
Received b'Hello, server'
Round-trip time: 21.006 ms
Received b'Hello, server'
Round-trip time: 20.873 ms
Received b'Hello, server'
Round-trip time: 21.661 ms
Received b'Hello, server'
Round-trip time: 21.221 ms
Received b'Hello, server'
Round-trip time: 21.091 ms
Received b'Hello, server'
Round-trip time: 27.174 ms
Received b'Hello, server'
Round-trip time: 15.096 ms
Received b'Hello, server'
Round-trip time: 21.222 ms
Received b'Hello, server'
Round-trip time: 20.916 ms
Received b'Hello, server'
Round-trip time: 21.003 ms
Received b'Hello, server'
Round-trip time: 20.523 ms
Received b'Hello, server'
Round-trip time: 27.174 ms
Received b'Hello, server'
Round-trip time: 15.314 ms
Received b'Hello, server'
Round-trip time: 20.392 ms
Received b'Hello, server'
Round-trip time: 18.889 ms
Received b'Hello, server'
Round-trip time: 19.741 ms
Received b'Hello, server'
Round-trip time: 22.845 ms
Received b'Hello, server'
Round-trip time: 20.982 ms
Received b'Hello, server'
Round-trip time: 21.293 ms
Received b'Hello, server'
Round-trip time: 19.974 ms
Received b'Hello, server'
Round-trip time: 17.239 ms
Received b'Hello, server'
Round-trip time: 21.43 ms
Received b'Hello, server'
Round-trip time: 22.593 ms
Received b'Hello, server'
Round-trip time: 21.834 ms
Received b'Hello, server'
Round-trip time: 21.119 ms
Received b'Hello, server'
Round-trip time: 21.623 ms
Received b'Hello, server'
Round-trip time: 15.94 ms
Received b'Hello, server'
Round-trip time: 20.265 ms
Received b'Hello, server'
Round-trip time: 21.507 ms
Received b'Hello, server'
Round-trip time: 20.886 ms
Received b'Hello, server'
Round-trip time: 21.003 ms
Received b'Hello, server'
Round-trip time: 21.584 ms
Received b'Hello, server'
Round-trip time: 20.944 ms
Received b'Hello, server'
Round-trip time: 21.642 ms
Received b'Hello, server'
Round-trip time: 22.341 ms
Received b'Hello, server'
Round-trip time: 21.797 ms
Received b'Hello, server'
Round-trip time: 22.283 ms
Received b'Hello, server'
Round-trip time: 21.39 ms
Received b'Hello, server'
Round-trip time: 20.497 ms
Received b'Hello, server'
Round-trip time: 21.156 ms
Received b'Hello, server'
Round-trip time: 21.351 ms
Received b'Hello, server'
Round-trip time: 21.643 ms
Received b'Hello, server'
Round-trip time: 20.206 ms
Received b'Hello, server'
Round-trip time: 21.139 ms
Received b'Hello, server'
Round-trip time: 21.099 ms
Same 20ms.
So, I’d check your network.