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    Constant "Network Error" on Duet3 6HC

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    • Phaedruxundefined
      Phaedrux Moderator
      last edited by

      Is your DWC version matching the firmware at 3.4.5?
      Is this a recent problem? Has it worked before?

      Z-Bot CoreXY Build | Thingiverse Profile

      e4dundefined 1 Reply Last reply Reply Quote 0
      • e4dundefined
        e4d @Phaedrux
        last edited by

        @Phaedrux the firmaware is matching the DWC version at 3.4.5.
        I worked like a charm before and it's getting worse. There is some phase where it's unusable as I can't even upload a file without getting disconnected constantly

        Phaedruxundefined T3P3Tonyundefined 2 Replies Last reply Reply Quote 0
        • Hugsyundefined
          Hugsy
          last edited by

          Hi,

          I have the same problem on multiple machines here. It's starting to be a real deal as our company is starting to produce 3D printers with Duet boards but this bug is still causing problems on all 6HC equipped prototypes internally.

          @e4d I can see that in your M122 you have 6 connected clients, try reducing them, it definitely helps us here.

          I'm currently trying to change some settings in the firmware but without any success so far.

          Phaedruxundefined 1 Reply Last reply Reply Quote 0
          • Phaedruxundefined
            Phaedrux Moderator @e4d
            last edited by

            @e4d In order to rule out the local network, can you configure the printer to connect directly to a computer via ethernet and see if the problem is resolved?

            As described here: https://docs.duet3d.com/en/User_manual/Machine_configuration/Networking#wired-direct-connection

            Z-Bot CoreXY Build | Thingiverse Profile

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            • Phaedruxundefined
              Phaedrux Moderator @Hugsy
              last edited by

              @Hugsy Do you have a thread on your issue already? If not, I suggest creating one so we can capture it and provide assistance.

              Z-Bot CoreXY Build | Thingiverse Profile

              Hugsyundefined 1 Reply Last reply Reply Quote 0
              • Hugsyundefined
                Hugsy @Phaedrux
                last edited by

                @Phaedrux We were just thinking it's a hardware limitation so we didn't do a thread on it. But now that we struggle with just a few http clients maybe it's time to do a thread about it.

                Connectivity always was really buggy with the 6HC between the mDNS not working and the Ethernet cutting off.
                I'll make a thread about it right now 🙂

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                • Hugsyundefined Hugsy referenced this topic
                • T3P3Tonyundefined
                  T3P3Tony administrators @e4d
                  last edited by

                  @e4d I notice that you have 6 out of 8 HTTP sessions in use, are you connecting to the board from multiple devices?

                  www.duet3d.com

                  e4dundefined 1 Reply Last reply Reply Quote 0
                  • e4dundefined
                    e4d @T3P3Tony
                    last edited by

                    @T3P3Tony I am, multiple computers in the office. I have better result with deconnections using a shielded router. It still disconnect from time to time but way less that before

                    T3P3Tonyundefined dc42undefined 2 Replies Last reply Reply Quote 0
                    • T3P3Tonyundefined
                      T3P3Tony administrators @e4d
                      last edited by

                      @e4d one theory is that you are running out of HTTP sessions can you restrict the number of connected devices to 2 or 3 as a test and see if that changes the problem.

                      www.duet3d.com

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                      • dc42undefined
                        dc42 administrators @e4d
                        last edited by

                        @e4d another possibility is that the large number of http clients is causing RRF to run out of output buffers. On the 6HC we have enough spare RAM to increase the number of buffers.

                        Duet WiFi hardware designer and firmware engineer
                        Please do not ask me for Duet support via PM or email, use the forum
                        http://www.escher3d.com, https://miscsolutions.wordpress.com

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