AWS - EKS
Why does the AWS VPC CNI plugin assign IP addresses from the VPC subnet directly to pods instead of using an overlay network?
Why does the AWS VPC CNI plugin assign IP addresses from the VPC subnet directly to pods instead of using an overlay network?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the benefit of direct VPC IP assignment
Assigning IPs directly from the VPC subnet gives pods native VPC networking, improving performance and compatibility.Step 2: Eliminate incorrect reasons
Overlay networks are supported in Kubernetes; VPC CNI does not disable network policies; direct assignment does not reduce IP usage.Final Answer:
To provide high performance and native VPC networking for pods -> Option AQuick Check:
Direct VPC IPs = native networking and better performance [OK]
Quick Trick: Direct VPC IPs give pods native, fast networking [OK]
Common Mistakes:
- Believing overlay networks are unsupported
- Thinking VPC CNI disables network policies
- Assuming direct IP assignment reduces IP count
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