@rockey1
Attached below is a working Ethernet project using LwIP and FreeRTOS v1 on the STM32H753ZITx. You can use the Compare Projects tool in STM32CubeMX to compare this working project with your configuration, identify differences, and update your settings accordingly. Similarly, you can compare the rest of the project files to spot any discrepancies.
Although this example is a UDP echo server, you can certainly modify it to fit your specific needs. For a detailed walkthrough of the steps, please refer to the article linked below.
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