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

Changing the address space size

After the initial address space is defined during the creation of a virtual network, we can still change the address space size as needed. We can either increase or decrease the size of the address space or change the address space completely by using a new address range.

Getting ready

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

How to do it…

In order to change the address space size for a virtual network using the Azure portal, we must observe the following steps:

  1. In the Virtual network pane, locate Address space under Settings.
  2. Next, click on Address space and change the value to the desired range. An example is shown in Figure 1.11:
    Changing the address space value to the desired range in the Address space pane
    Figure 1.11: Changing the address space range
  3. After you have entered a new value for Address space, click Save to apply the changes.

How it works…

Although you can change the address space at any time, there are some...