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TM4C1294KCPDT: The MCU cannot communicate with sever through routers

John11513
Expert 5720 points
Part Number: TM4C1294KCPDT

Hi team,

My customer reported that their TM4C1294 based client cannot communicate with server through router and UDP protocol. While there is no any problem when they connect the client directly to PC. I am suspecting if it is due to the protocol stack of this device does not support communication through router?

Thank you for help!

Regards,

John

  • 0
    TI__Guru**** 190406 points

    HI,

      There is no reason that the device doesn't work with the router. The LwIP (an open source TCP/IP protocol) is what is included in the TivaWare library. All the TivaWare Ethernet examples use the LwIP as the underlying TCP/IP stack. Please ask your customer to try these examples. I think there is some network or router setup problem in your customer environment. Your customer can also try the Ethernet examples provided by the TI-RTOS. These examples use the TI NDK as the underlying TCP/IP. You can run these examples too, If these examples also fail with the router then it pretty much confirms the problem is with the network and router setup. I will suggest your customer get some support from their IT department or ISP provider. 

  • 0 in reply to Charles Tsai
    TI__Guru**** 190406 points

    Hi John,

      Do you have any updates?