Kubernetes - Networking
A Pod cannot reach another Pod in the same cluster despite correct IP and Service configuration. What is a common networking issue to check?
A Pod cannot reach another Pod in the same cluster despite correct IP and Service configuration. What is a common networking issue to check?
medium📝 Troubleshoot Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Identify network plugin role
The cluster network plugin manages Pod networking and routing between Pods.Step 2: Diagnose connectivity issues
If the plugin is not running or misconfigured, Pods cannot communicate despite correct IPs.Final Answer:
Verify if the cluster network plugin is running properly -> Option CQuick Check:
Network plugin status affects Pod connectivity [OK]
Quick Trick: Check network plugin health if Pods can't communicate [OK]
Common Mistakes:
- Assuming Pods need public IPs
- Thinking Pods must be on same node
- Confusing host networking with Pod networking
Master "Networking" in Kubernetes
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