VlanManager to separate tenants, we can manually assign VLANs and network ranges to them by creating a secure multi-tenant environment. We can, however, have OpenStack
manage this association for us, so that when we create a project it automatically gets assigned these details.
To begin with, ensure you are logged in to the OpenStack API server as well as a client that can access the
/etc/nova/nova.conf, and ensure there is a flag called
--vlan_startwith a VLAN ID, for example: