OpenStack can be managed in a variety of ways, including through the GUI, API, and CLI. Neutron provides users with the ability to execute commands from a shell that interfaces with the Neutron API. To enter the Neutron shell, type neutron in a shell on the controller node:
Figure 5.1
Alternatively, Neutron commands can be executed straight from the Linux command line using the Neutron client. The client provides a number of commands that assist with the creation, modification, and deletion of networks, subnets, and ports.
The primary commands associated with network management are:
net-createnet-deletenet-listnet-external-listnet-updatesubnet-createsubnet-deletesubnet-listsubnet-showsubnet-updateport-createport-deleteport-listport-showport-update
Whether you choose a LinuxBridge- or Open vSwitch-based virtual networking infrastructure, the process to create, modify, and delete networks and subnets is the same. Behind the scenes, however, the process of connecting instances...