DHCP timeout on multi-sandbox with stm32f7508-dk-discovery-kit

1

Hi There,
I am testing the multiapp on STM32F7508 and I keep getting DHCP timeouts (section 1.2)

I get on the console:
MCU revision identifier: 0x1001
MCU device identifier: 0x449
reset performed by the watchdog
watchdog started
MicroEJ START
[INFO] DHCP started
[INFO] DHCP timeout

Is this a known problem?
The ethernet cable is perfectly good (tested on my PC)

Thanks

Sam

2

Hello @SeriousSam,

Thanks for reaching us!

Many root causes can lead to a DHCP timeout, depending on network conditions (e.g. multiple DHCP servers on the same network).

Could you tell me more about your network configuration?

Regards,

Alex

3

Hi Alex,
my board is directly connected to my Xfinity X1 router with an Ethernet cable. I can hardly do better.
It works perfectly with my PC under Windows 11.
Here is a link to the Xfinity configuration for Windows:

Thanks
Sam

4

Hi Sam,

Could you check in your router’s admin page if the STM32F7508-DK board is recognized ?

Regards,

Alex

5

Hi Alex,
the router does no see the board. However the board detects when I connect and disconnect the cable:
[INFO] The network cable is not connected
[INFO] The network cable is now connected

Sam

6

Hi Sam,

Would you be able to provide us a wireshark capture of the traffic between your STM32F7508-DK and your router?

This would be helpful to understand what is going on.

A way to achieve that is to use a switch with port mirroring.

Regards,

Alex