Hello @anika
STMicroelectronics provides comprehensive application projects within their STM32Cube firmware packages that demonstrate the use of the lwIP TCP/IP stack on STM32 microcontrollers. These example projects, such as the LwIP TCP Echo Server, are available for various STM32 evaluation and discovery boards. They showcase how to configure and initialize the lwIP stack, set up Ethernet hardware, and implement TCP server or client functionality. The projects include ready-to-use source code, configuration files, and detailed documentation.
As a reference you can check the following example under this path
C:\Users\XXX\STM32Cube\Repository\STM32Cube_FW_F4_V1.28.1\Projects\STM324x9I_EVAL\Applications\LwIP\LwIP_TCP_Echo_Server
Make sure to download the Firmware
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