The Sites feature introduces new and complex interactions between hardware and software components. Sites are recommended for customers who have an AP-to-controller link (in a normal deployment) which they expect will be disconnected for long periods of time, but still expect to give service to users.
Note
For best performance and maintainability, do not use the Sites feature if the AP-to-controller link is normally connected.The following guidelines are recommended to configure a secure and easy-to-maintain Site: