In the previous chapter, we discussed the Nova compute service and the Nova-related objectives of the Certified OpenStack Administrator exam. Now we will discuss Neutron. Neutron is a networking service that manages the OpenStack environment's virtual networks, subnets, IP addresses, routers, firewall rules, and more. Because Neutron makes up approximately 17% of the COA objectives, fully understanding how it works from the administrator perspective is essential to passing the exam. Neutron, and SDN (Software Defined Networking) in particular, is a complex topic and spans many areas. However, it's important to remember that the exam does not require you to modify Neutron configuration files or work with configuring networks outside of the OpenStack environment.
In this chapter, we will cover the following topics:
- Neutron architecture
- Neutron...