Daktronics

When trying to communicate with galaxy display you receive error message of "Network congestion may be occurring. Attempt to reduce the amount of traffic on the network".

Potential Symptoms

  • Unable to communicate with display.
  • Receive error message: "Connection with the display timed out".
  • Receive error message: "Unable to pass large packets across the Network.  Network congestion may be occurring. Attempt to reduce the amount of traffic on the network."2016-11-14_13-51-38.png

Environment

  • Product Family: Message Displays
  • Product: Animated Displays, AF-3500, GPR
  • Component:
  • Control System: Venus 1500 V4

Cause

  • Congestion or bottleneck is present on the network slowing down or preventing communication with display.

Resolution

  • The best way to find a bottleneck is to install a packet sniffer and analyze the traffic passing through your network. Otherwise, the simple rule of thumb is to disconnect every device and keep adding one piece of equipment back to the network at a time and run speed tests after each addition (don't forget to adjust your IP address information where appropriate). It is straightforward enough but, depending on the complexity of your network, it may take some time to resolve.
  • Another little tip: if you have hubs or switches throw them in between your PC and modem/router first (one at a time), so you can test them in a more isolated environment. When you find the culprit, replace or reconfigure the device to make it perform better. If none of your devices seems to be a problem then you may have a bad cable. Cable testing will require a meter or probe and may be best left to an IP professional.
  • An alternate option would be to set up a separate VLan for the sign to communication through on the network.

For Temporary Operation

  1. By-pass network and make connection directly to display (adjusting your IP address appropriately).
  2. Communicate normally.

KB ID: DD2584620

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