Resources are offline to internal or external traffic
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Problem
Your Virtual Private Cloud resources lose connectivity to establish internal or external traffic with other resources.
Environment
- One Virtual Private Cloud
- Regular VM instances, Google Kubernetes Engine Nodes, App Engine Flex, etc.
- They can have external IPs
- Leverage Cloud NAT
- Use Cloud Virtual Private Network and/or Interconnects to reach on-prem services
Solution
There can be multiple causes for this issue. One of the best first steps that you can take is the following:
- Leverage the Connectivity Test.
- To properly use it, you should test from the perspective of the resource having connectivity issues towards a troublesome destination and the inverse scenario.
- This test will reveal (among other things) if you are:
- Having issues with a Firewall Rule.
- Using a route that is not expected.
- For common use cases please see Common test scenarios.
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Last updated 2024-12-10 UTC.
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