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STM32F207VEx: Ethernet Stucks after sometime

Question asked by Aditya Tiwari on May 19, 2017

Hi there,

I am   using STM32F207VET and I have successfully Implemented Ethernet as TCP echo server(MII Full Duplex only).I have successfully connected my module with 5 clients over LAN and Exchanged data between them.

At start everything was working fine however ,now  It works fine if I keep sending data to it, If left idle for 20-30 minutes it stops responding to the commands received from the client and wont work even after restarting the device. I have to restart it 2-3 times to make it work again

FYI. I am using DP83848c PHY Transceiver and

(For testing my TCP Socket I am using TCP Test Tool).