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Network connectivity problems

Use this information to solve network connectivity problems.

Table 1. Symptoms and user actions for network connectivity problems.

Table with one spanned column at the top and two other columns with headers that provides information about symptoms and user actions to solve network connectivity problems

  • Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • See Parts listing, System x3850 X6 and x3950 X6 Type 6241 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
  • If an action step is preceded by (Trained service technician only), that step must be performed only by a Trained service technician.
SymptomAction
The server will not connect to the network.
  1. If the network adapter is newly installed, verify that it is supported by the server (see the Lenovo ServerProven website).
  2. Verify the network adapter slot power state and configuration (see Using the Setup utility).
  3. Check to make sure that the server is properly connected to the network and that there is no damage to the network cables.
  4. Check the firmware device driver.
  5. Check the Retain Tips for related issues on the Support web site at the Lenovo Data Center Support website.
The server intermittently looses connection.
  1. Verify that the network router or switch is operating properly.
  2. Check to make sure that the server is properly connected to the network.
  3. Check the firmware device driver.
  4. Check the Retain Tips for related issues on the Support web site at the Lenovo Data Center Support website.