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Kubernetes Networking Observations

This repository contains manifests used to explore Kubernetes networking, focusing on pod-to-pod communication in a Minikube cluster with the Kindnet CNI through this article published on Medium and my blog. It provides insights into how intra-node and inter-node traffic flows.

Repository Contents

  • manifests/tshark.yaml: A manifest for deploying pods with tools like tshark to capture and analyze network traffic within a single node minikube cluster with runtime docker and cni kindnet.
  • manifests/tshark-multi-node.yaml: A manifest designed for multi-node minikube cluster to test inter-node pod communication within a two node minikube cluster with runtime docker and cni kindnet.

Features

  • Detailed analysis of Kubernetes pod networking.
  • Examples of intra-node and inter-node communication using Kindnet CNI.
  • Tools and techniques for inspecting traffic flow with tshark and iproute2.

Getting Started

kubectl apply -f manifests/tshark.yaml
kubectl apply -f manifests/tshark-multi-node.yaml

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