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Troubleshooting and Maintenance

Common Issues and Solutions

Issue: Nodes are unable to join the Nebula network. Solution: Verify that the node can reach the Gateway Server and that the join token is correct.

Issue: High latency between nodes. Solution: Check if direct connections are being established or if traffic is routing through Lighthouse nodes. Adjust firewall rules if necessary.

Issue: Certificate expiration causing connection drops. Solution: Ensure that nodes can reach the Gateway Server for certificate renewal. Check certificate validity periods and adjust if needed.

Upgrading Procedures

To upgrade a Gateway installation, Gitpod provides frequent Cloud Formation templates containing a stack update. In case of errors during the update, AWS automatically rolls back the changes to the previous state.

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