Ethernet-Be-Gone with RT5350F-OLinuXino-EVB

RT5350F-OLinuXino-EVB-1

We proudly announce that we got new product – LAN killer 🙂

We found this new feature during our normal development work. If you power up RT5350F-OLinuXino-EVB connected to local network and you do not up the Ethernet interface within 5 minutes (like if you loading new firmware in the SPI Flash or debug) the local LAN stops working! All attempts to hit sites outside return DNS error.

It’s weird as if you up the Ethernet interface everything is fine, also this DNS block begins not immediately but about 5 minutes after you power the board connected in the network.

Our internal LAN is hairball for sure, but we are puzzled why this happens?

Can someone with RT5350F-OLinuXino-EVB try and confirm our findings?

We did another experiment with USB-Ethernet-AX88772B, we plug it to one of our Linux boards with USB host like A33-OLinuXino and do not up the interface and same problem is reproduced.

I’m sure this is probably our intranet lame settings, but it will be interesting people with more experience to share what cause this problem.

Meantime if you want to piss off your boss or colleague … you know what to try 😀