Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying OpenStack Networking Cookbook
  • Table Of Contents Toc
OpenStack Networking Cookbook

OpenStack Networking Cookbook

By : Sriram Subramanian
5 (4)
close
close
OpenStack Networking Cookbook

OpenStack Networking Cookbook

5 (4)
By: Sriram Subramanian

Overview of this book

Networking in OpenStack has evolved from Nova Network to Neutron. This has resulted in a rich suite of networking services available to OpenStack users and administrators. Advanced services such as routers, firewall, and load balancers use building blocks such as network and subnets. Recent improvements support powerful customization using plugins. The evolution of Neutron continues as it integrates with tools like Ceilometer and Heat. This book will explore the built-in capabilities of Neutron to effectively deploy cloud solutions. You will begin with the most fundamental constructs of OpenStack Networking for switching and routing. You will then learn how to provide your tenants with services like firewalls and load-balancers. The step-by-step recipes will help you configure and troubleshoot networking problems in your cloud. This book will also introduce you to advanced topics like Ceilometer, Heat, and other upcoming tools in OpenStack
Table of Contents (14 chapters)
close
close
13
Index

Creating a Port without an associated instance using the OpenStack CLI

Port is another building block in OpenStack Neutron. You will not find a way to create a Port using the Horizon dashboard. As we saw earlier in the Associating a Network to an instance using Horizon recipe, a Port is created implicitly as a part of the create instance operation from the dashboard. However, using CLI, some advanced networking configuration can be accomplished. This recipe shows you how to create a Port using OpenStack CLI.

Getting ready

You will need the following information to get started:

  • The login credentials for SSH to a node where the Neutron client packages are installed
  • A shell RC file that initializes the environment variables for CLI

How to do it…

The next set of steps will show you how to use Neutron CLI to create a Port:

  1. Using the appropriate credentials, SSH into the OpenStack node where the Neutron client software packages are installed.
  2. Source the shell RC file to initialize the environment variables required for the CLI commands as seen in the previous recipe.
  3. The command to create a Port is neutron port-create and the only mandatory parameter is the Network name. However, it is a good practice to specify a name for the Port:
    How to do it…
  4. Note that the Port has been assigned a MAC address as well as an IP address.
  5. You can use the neutron port-list command to view a list of all the Ports in the system:
    How to do it…

How it works…

A Port primarily represents an endpoint in a Network. The most common Ports in an OpenStack environment are the virtual interfaces in a virtual machine.

When the neutron port-create command is executed, OpenStack Neutron allocates a unique MAC address to the Port. The Network name argument effectively helps Neutron in identifying a Subnet and then Neutron assigns an IP address to the Port from the list of available IP addresses in the Subnet.

The post-create request is also the most common trigger to configure the physical and virtual Networks using the appropriate drivers.

Visually different images
CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
OpenStack Networking Cookbook
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon