Kubernetes Networking Fundamentals
Learn how Kubernetes networking works and apply it in production to connect applications, expose services, control traffic between workloads, and troubleshoot connectivity issues.
đź“‹ Prerequisites: Basic Kubernetes knowledge and familiarity with Linux networking concepts such as IP addresses, ports, DNS, and NAT
🗒️ Type: Primarily text-based, with diagrams
Welcome to the Kubernetes Networking Course!
Kubernetes networking usually works quietly in the background until something breaks. A Pod can't reach another Pod, a Service stops responding, or an application can't resolve a DNS name.
Understanding how traffic moves through a Kubernetes cluster makes these problems much easier to troubleshoot.
In this course, you'll learn how Kubernetes networking works, starting with the Kubernetes network model and how containers communicate inside a Pod.
The Learning Roadmap
Each module builds on the previous one, helping you understand how the different pieces fit together.
By the end of the course, you'll have a clear picture of how traffic flows through Kubernetes and how to approach common networking problems with confidence.
Apply Your Knowledge in Production
When an application is not reachable, you’ll know how to trace the complete traffic path from the client and DNS resolution to the Service, EndpointSlice, Pod, and node network.
You’ll be able to isolate failures, validate what’s happening, and troubleshoot networking issues using evidence instead of guesswork.
Trace traffic. Isolate failures. Troubleshoot with confidence.
Let's get started!