Ethernet Connectivity Issue

I am currently working on EK-RA8D1 board, ethernet sample code working fine network up. if i configuration new FreeRTOS+TCP stacks, network is not up.

I have attached the code. I would greatly appreciate your assistance in bringing up the Ethernet interface.Your guidance in resolving the Ethernet interface issue would be sincerely appreciated.Thank you.

File : drive.google.com/.../view