Portal | Level: L2: Operations | Topics: Kubernetes Networking | Domain: Kubernetes

Symptoms¶

File	Purpose
symptoms.md	Problem statement and observable symptoms
questions.md	Diagnostic questions to work through
solution.md	Detailed root cause analysis and fix
grading.md	Self-assessment checklist
artifacts/	2 supporting file(s)

API Gateways & Ingress (Topic Pack, L2) — Kubernetes Networking
Case Study: Canary Deploy Routing to Wrong Backend — Ingress Misconfigured (Case Study, L2) — Kubernetes Networking
Case Study: CoreDNS Timeout Pod DNS (Case Study, L2) — Kubernetes Networking
Case Study: Grafana Dashboard Empty — Prometheus Blocked by NetworkPolicy (Case Study, L2) — Kubernetes Networking
Case Study: Service Mesh 503s — Envoy Misconfigured, RBAC Policy (Case Study, L2) — Kubernetes Networking
Case Study: Service No Endpoints (Case Study, L1) — Kubernetes Networking
Cilium & eBPF Networking (Topic Pack, L2) — Kubernetes Networking
Deep Dive: Kubernetes Networking (deep_dive, L2) — Kubernetes Networking
Docker Networking Flashcards (CLI) (flashcard_deck, L1) — Kubernetes Networking
Interview: Ingress 404 (Scenario, L2) — Kubernetes Networking

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