This is Part 3 of the Rack2Cloud Diagnostic Series, where we debug the silent killers of Kubernetes reliability.

The Series:


Part 1: ImagePullBackOff: It’s Not the Registry (It’s IAM)

Part 2: The Scheduler is Stuck: Debugging Pending Pods

Part 3: It’s Not DNS (It’s MTU): Debugging Ingress (You are here)

Part 4: Storage Has Gravity (Debugging...