This diagram illustrates the network architecture of a small-scale CloudStack deployment.
A firewall provides a connection to the Internet. The firewall is configured in NAT mode. The firewall forwards HTTP requests and API calls from the Internet to the Management Server. The Management Server resides on the management network.
A layer-2 switch connects all physical servers and storage.
A single NFS server functions as both the primary and secondary storage.
The Management Server is connected to the management network.