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Multiple nodes - loss of connectivity to the data network

Use the information in this section to troubleshoot intermittent multiple-node connectivity loss in the chassis.


Complete the following steps until the problem is solved:
  1. Test the I/O module that the devices are connected to by using the diagnostic tools that are provided by the manufacturer.
  2. Attempt to connect one node to the network first, and then try to bring the others online to isolate the problem.
  3. Check the I/O module firmware and update it if necessary.
    Rebooting and running POST diagnostics on the I/O module might also help to isolate the problem; however, this will temporarily disable the data network.