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I am trying to establish a tcp server on an lpc1857 board using keil mdk 6.5.0. After the listen call, I am getting a connection request from the client, ie, the callback function is triggered by a tcpeventconnect and i am returning '1' in the code. But the connection is not established and the client returns a 'connection failed'. Can any one give a clue as to what might be happening? is there any configuration pre-requisite to establish a tcp server that i may be over-seeing?
There are couple of example in Pack Installer based on TCP/IP stack and probably that should be the first thing to refer to.
In addition, you also need to check if the MW, CMSIS and DFP packs are up to date.
We have a document to debug/troubleshoot the Network based problems, please refer below link: www.keil.com/.../network_troubleshoot.html