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KSZ8081 MII MAC destination always set to broadcast

Renato Valentim
Associate III

Hello!

I'm trying to interface a KSZ8081Phy with a STM32F767ZI MCU which is MII.

I was already able to interface with the RMII Phy o in the Nucleo-144 board.. So I replaced all the settings to able to run from an MII interface.

I'm running the Web Server demo include in the STM32CubeMX package. Now whenever I send a page load request from the PC, a packet is captures and it has the correct MAC address for the sender address . But the destination MAC address is always "0xff 0xff 0xff 0xff 0xff 0xff" which is a broadcast address.

The Web interface calls the netconn_accept which supposedly waits for a connection request. But that connection request is never actually received. I included the ethernetif.c file.

Any ideas how I can make this work?

Thanks!

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