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How to Troubleshoot Guest External/Internal Network Issues (Doc ID 2202935.1)

Last updated on OCTOBER 10, 2022

Applies to:

Oracle VM - Version 3.1.1 to 3.4.2 [Release OVM31 to OVM34]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86
Linux x86-64


How to troubleshoot guest network connectivity issues with internal and external network


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In this Document
 1. Don't use ping command to find root cause of connection issues
 2. Verify if communication between Guest and OVS is working without any issues
 3. Use tcpdump to help investigation
 4. Is config properly setup?
 5. Is Guest traffic lost after migration?
 6. H/W Limitation, Switch Config issues
 7. Firewall in middle
 8. Network connection works but gets lots of timeouts/drops or its simply slow
 9. Make sure that OVS/Guest are up-to-date

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