Book Image

Azure Networking Cookbook, Second Edition - Second Edition

By : Mustafa Toroman
Book Image

Azure Networking Cookbook, Second Edition - Second Edition

By: Mustafa Toroman

Overview of this book

Azure's networking services enable organizations to manage their networks effectively. With the Azure Networking Cookbook, you’ll see how Azure paves the way for an enterprise to achieve reliable performance and secure connectivity. This updated second edition will take you through the latest networking features in Azure. The book starts with an introduction to Azure networking, covering basics such as creating Azure virtual networks, designing address spaces, and creating subnets. You’ll create and manage network security groups, application security groups, and IP addresses in Azure using easy-to-follow recipes. As you progress through the book, you’ll explore various aspects such as DNS and routing, load balancers, Traffic Manager, and site-to-site, point-to-site, and VNet-to-VNet connections. This cookbook covers all the functions crucial to understanding cloud networking practices and being able to plan, implement, and secure your network infrastructure with Azure. You’ll not only upscale your current environment but also get well-versed with monitoring, diagnosing, and ensuring secure connectivity. The book will help you grasp best practices as you learn how to create a robust environment. By the end of this Azure cookbook, you’ll have gained hands-on experience developing cost-effective solutions that can facilitate efficient connectivity in your organization.
Table of Contents (15 chapters)
14
Index

Configuring probes

Probes in application gateway are used to monitor the health of the backend targets. Each endpoint is monitored, and if one is found to be unhealthy, it is temporarily taken out of rotation and requests are not forwarded. Once the status changes, it's added back. This prevents requests from being sent to unhealthy endpoints that can't serve the request.

Getting ready

Before you start, open the browser and go to the Azure portal at https://portal.azure.com.

How to do it...

In order to add a probe to our application gateway, we must do the following:

  1. In the Azure portal, locate the previously created application gateway.
  2. In the Application gateway pane, under Settings, select Health probes. Select Add to add the new probe:
    Clicking the Add button in the Health probes settings pane

    Figure 12.21: Adding a new health probe

  3. In the new pane, we must provide the Name of the probe (this option will be grayed out if an existing probe is edited), along with the Protocol, Host, and Path. We also...