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Cookbook

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Troubleshooting the cluster configuration from the GUI

If the FortiGates do not form a cluster, try the following:

  1. Connect to each cluster unit's GUI and verify that the HA configurations are the same. The HA configurations of all cluster units must be identical – even a small discrepancy can prevent a FortiGate from joining a cluster.
  2. If the configurations are the same, try re-entering the HA password on each cluster unit in case you made an error typing the password when configuring one of the cluster units.
  3. Check the cables and interface LEDs.
  4. Check that the correct interfaces of each cluster unit are connected. Use the cluster members list to verify that each interface that should be connected actually is connected. If a link is down, re-verify the physical connection.
  5. Try replacing network cables or switches.

Troubleshooting the cluster configuration from the GUI

If the FortiGates do not form a cluster, try the following:

  1. Connect to each cluster unit's GUI and verify that the HA configurations are the same. The HA configurations of all cluster units must be identical – even a small discrepancy can prevent a FortiGate from joining a cluster.
  2. If the configurations are the same, try re-entering the HA password on each cluster unit in case you made an error typing the password when configuring one of the cluster units.
  3. Check the cables and interface LEDs.
  4. Check that the correct interfaces of each cluster unit are connected. Use the cluster members list to verify that each interface that should be connected actually is connected. If a link is down, re-verify the physical connection.
  5. Try replacing network cables or switches.