Book Image

Learning OpenStack Networking (Neutron)

By : James Denton
Book Image

Learning OpenStack Networking (Neutron)

By: James Denton

Overview of this book

OpenStack Neutron is an OpenStack component that provides networking as a service for other OpenStack services to architect networks and create virtual machines through its API. This API lets you define network connectivity in order to leverage network capabilities to cloud deployments. Through this practical book, you will build a strong foundational knowledge of Neutron, and will architect and build an OpenStack cloud using advanced networking features. We start with an introduction to OpenStack Neutron and its various components, including virtual switching, routing, FWaaS, VPNaaS, and LBaaS. You’ll also get hands-on by installing OpenStack and Neutron and its components, and use agents and plugins to orchestrate network connectivity and build a virtual switching infrastructure. Moving on, you’ll get to grips with the HA routing capabilities utilizing VRRP and distributed virtual routers in Neutron. You’ll also discover load balancing fundamentals, including the difference between nodes, pools, pool members, and virtual IPs. You’ll discover the purpose of security groups and learn how to apply the security concept to your cloud/tenant/instance. Finally, you' ll configure virtual private networks that will allow you to avoid the use of SNAT and floating IPs when connecting to remote networks.
Table of Contents (21 chapters)
Learning OpenStack Networking (Neutron) Second Edition
About the Author
About the Reviewers

Installing OpenStack

The steps in this section document the installation of OpenStack services, including Keystone, Glance, Nova Compute, and Horizon on a single controller and two compute nodes. Neutron, the OpenStack Networking service, will be installed in the next chapter.

Installing and configuring the MySQL database server

On the controller node, use apt-get to install the MySQL database service and related Python packages:

# apt-get install mariadb-server python-mysqldb

If prompted, set the password to openstack.


Insecure passwords are used throughout the book to simplify the configuration and demonstration of concepts and are not recommended for production environments. Visit to generate strong passwords for your environment.

Once installed, set the IP address that MySQL will bind to by editing the /etc/mysql/conf.d/mysqld_openstack.cnf configuration file and adding the bind-address definition. Doing so will allow connectivity to MySQL from...