Learning OpenStack Networking - Third Edition

Configuring network availability zones

Availability zone support for Neutron was first introduced in the Mitaka release of OpenStack Networking, and supports both the DHCP and L3 agents included with Neutron. Other drivers may be supported but are outside the scope of this book.

In the environment built throughout this book, the Neutron L3 agent has been installed on most of the nodes to demonstrate standalone, highly available, and distributed virtual routers. A quick look at the Neutron agent list shows they all share a common availability zone based on default agent configuration options:

To modify the availability zone for a particular ...