Packt
Introduction to AKS and Core Networking Concepts

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Packt

Introduction to AKS and Core Networking Concepts

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Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Intermediate level

Recommended experience

1 week to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Configure and manage secure AKS clusters with public and private networking modes.

  • Implement DNS resolution strategies and application routing for AKS at scale.

  • Analyze and troubleshoot egress traffic using Load Balancers, NAT Gateways, and UDR.

  • Deploy Kubernetes workloads and manage ingress with Application Gateway and Envoy.

Details to know

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Recently updated!

November 2025

Assessments

12 assignments

Taught in English

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This course is part of the Your Ultimate Guide To AKS Infrastructure And Network Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There are 14 modules in this course

In this module, we will revisit the foundational architecture of Azure Kubernetes Service (AKS) to strengthen your understanding of its core components. You’ll explore how these elements interact to deliver scalable, managed Kubernetes workloads. This sets the stage for deeper exploration into AKS operations and networking in later sections.

What's included

1 video2 readings

In this module, we will introduce the foundational concepts and hands-on steps for deploying workloads in AKS. From creating a cluster to configuring services and scaling Pods, this section equips you with the essential tools to begin working with Kubernetes on Azure. You'll also learn how to interact with the cluster using both CLI and Azure Portal.

What's included

9 videos1 assignment

In this module, we will compare the design and network configuration of public versus private AKS clusters. You'll learn how VNET integration and private endpoints affect access, isolation, and security. This section helps you make informed decisions when designing AKS environments for different use cases.

What's included

7 videos1 assignment

In this module, we will explore how to securely access private AKS clusters using Azure Bastion. Through demos and architectural walkthroughs, you’ll learn how to eliminate public exposure while maintaining full operational access. This is essential for implementing zero-trust and secure access patterns in enterprise environments.

What's included

3 videos1 assignment

In this module, we will dive into network isolation strategies for AKS to enhance cluster security. You'll learn the design considerations, and watch a demo on implementing a fully isolated environment. This section is crucial for scenarios requiring strict compliance and traffic control.

What's included

2 videos

In this module, we will explore the networking options available in AKS, including Kubenet, Azure CNI, and overlay modes. You'll learn the trade-offs between simplicity, scalability, and customization. We’ll also cover advanced setups and potential pitfalls like CIDR overlaps and plugin extensibility.

What's included

8 videos1 assignment

In this module, we will address DNS resolution challenges and strategies for private AKS environments. You'll explore how to scale DNS across multiple regions and clusters, with both centralized and decentralized models. Real-world demos will show how to resolve endpoints reliably and securely.

What's included

5 videos1 assignment

In this module, we will introduce External DNS and its integration with Kubernetes to manage DNS records dynamically. You'll learn how it automates DNS changes as services are deployed or updated. Visual walkthroughs and demos will clarify its role in modern Kubernetes networking.

What's included

3 videos1 assignment

In this module, we will focus on CoreDNS, Kubernetes’ default DNS provider. You'll understand its configuration, extend it with custom domains, and enable query logging. This knowledge is essential for debugging DNS issues and fine-tuning service resolution in production environments.

What's included

3 videos1 assignment

In this module, we will explore the Gateway API and its integration with Azure’s Application Gateway for Containers. You’ll learn how this modern traffic management layer improves flexibility and control. Through step-by-step demos, you’ll implement traffic routing, identity, and security configurations.

What's included

7 videos1 assignment

In this module, we will introduce the Envoy Gateway as an ingress solution for Kubernetes. You'll explore its architecture and benefits in managing traffic routing. A hands-on demo illustrates how to integrate and use Envoy Gateway within an AKS cluster.

What's included

1 video

In this module, we will explore AKS-managed ingress through the Application Routing add-on. You'll learn how to deploy and secure ingress controllers and configure both public and internal routing. With multiple demos, you'll also see how to monitor ingress health and traffic flows.

What's included

9 videos1 assignment

In this module, we will look at using Application Gateway with an ingress controller instead of AGIC. You'll understand the trade-offs and flexibility this approach offers. A live demo will walk you through the full deployment and configuration process.

What's included

2 videos

In this module, we will explore how AKS handles outbound traffic, covering Load Balancer, Managed/Assigned NAT Gateway, and User Defined Routing. You'll learn about their architectures, configuration steps, and challenges such as SNAT exhaustion. Demos will show how to optimize egress in real-world deployments.

What's included

15 videos1 reading3 assignments

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