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Visitor II
July 5, 2025
Question

Ethernet problem on STM32H747I-DISCO board

  • July 5, 2025
  • 3 replies
  • 601 views

Hi everyone,

I have a problem with the Ethernet connection that I can't solve on the STM32H747I-DISCO board.
I followed Adam Berlinger's guide step by step (https://community.st.com/t5/stm32-mcus/how-to-create-a-project-for-stm32h7-with-ethernet-and-lwip-stack/ta-p/49308) and the Ethernet works for a while, but when I send messages on udp or start the ping, after a while it stops working.

can someone help me?, I've been trying to fix this problem for two months now but without success.

thank you very much in advance.

 

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    3 replies

    Graduate II
    July 5, 2025

    hii @magianf  could you share your configurations settings.

     

    magianfAuthor
    Visitor II
    July 5, 2025

    thanks for the reply jumman_JHINGA , this is my .ioc made with IDE version 1.18.1

    if you need other files just ask me.

     

     

    Graduate II
    July 7, 2025

    Hi @magianf,

    Apologies, but I'm currently unable to open your .ioc file as it was created using STM32CubeMX version 6.14.1, while I am using 6.14.0.

    In my experience, after upgrading to 6.14.1, the Ethernet functionality stopped working in my project. I tried multiple settings but couldn’t resolve the issue. Eventually, I downgraded CubeMX back to 6.14.0, and with the same configuration, Ethernet started working again.

    Based on this, I would recommend trying with version 6.14.0 to see if that resolves the issue on your end as well.

     

    magianfAuthor
    Visitor II
    July 7, 2025

    thanks for the reply, I'm trying to use NetXDuo, but I can't find a good example to map the H7 memories

    magianfAuthor
    Visitor II
    July 8, 2025

    Hi all,
    is there anyone using NetXDuo on the STM32H747 micro that can help me with the CORTEX_M7 MPU configuration settings.

     

    thanks a lot

     

    MPU.jpg

    ST Employee
    July 8, 2025

    Hello @magianf,

    This post has been escalated to the ST Online Support Team for additional assistance.  We'll contact you directly.

    Best regards,
    Maxime

    magianfAuthor
    Visitor II
    July 8, 2025

    hello Maxime_MARCHETTO

    thanks a lot for inforamtion

     

    best regards 

     

    Giovanni