Book Image

OpenStack Networking Cookbook

Book Image

OpenStack Networking Cookbook

Overview of this book

Table of Contents (19 chapters)
OpenStack Networking Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Increasing the number of IP addresses in a Network using the Horizon dashboard


We have seen that, as a part of the Network creation, the user also creates a Subnet, which is essentially an IP address range. Consider a situation where a user creates a Subnet with a set of IP addresses. Once all the IP addresses of this Subnet are assigned to instances, any new instance created will not get an appropriate network connectivity. To increase the IP addresses in the same Network, the user will have to create another Subnet on the same Network. This recipe will show you how to do this.

Getting ready

To create another Subnet, the inputs that you will need are as follows:

  • A range of IP addresses

  • A name for the Subnet

How to do it…

The following steps will show you how to add another Subnet to a Network:

  1. Log in to the OpenStack Horizon dashboard using the appropriate credentials.

  2. In the left navigation menu, click on Project, then Network | Networks.

  3. Now, click on the drop-down icon (triangle) next to the...