User Manual
154
UniFi Controller User Guide
Ubiquiti Networks, Inc.
Appendix E: Controller Scenarios
Layer-3 Deployment
The application diagram below shows an example of a 
deployment using a remote controller. 
The UniFi Controller is running in the cloud or your NOC 
(Network Operating Center).
•  High rise  The UniFi Controller is off‑site. Use Layer‑3 
adoption to manage this site.
•  Hotel  The UniFi Controller is off‑site. Use Layer‑3 
adoption to manage this site.
•  Restaurant  The UniFi Controller is off‑site. Use Layer‑3 
adoption to manage this site.
There are multiple methods to carry out Layer‑3 adoption.
Central Controller
Layer-3 Deployment
Hotel
High Rise
L3 L3 L3
L3 Adoption
with App*
Restaurant
(2) UAP-AC-LR 
(1) US-8-150W 
(1) USG 
(10) UAP-AC-PRO 
(10) UAP-AC-LITE 
(2) UAP-AC-LR 
(1) UAP-Outdoor+ 
(1) UAP-Outdoor5 
(150) UAP-AC-PRO 
(1) USG-PRO-4 
(10) US-48-500W 
UniFi EasySetup
UniFi AP-AC Lite
UniFi AP-AC Lite
Coee Shop
44:d9:e7:fc:ec:4a
10.21.10.192
10.21.10.31
*  Refer to “Layer-3 Adoption” on page 156 for other methods that can be used.
 Here is an overview of a typical example: 
1.  Create a remote controller.
2.  At the customer site, open a browser to the remote 
controller.
3.  Use one of the following methods to configure all local 
APs so they inform back to the UniFi Controller:
•  “UniFi Mobile App” on page 133
•  “DNS” on page 157
•  “DHCP Option 43” on page 157
•  “SSH” on page 158
For details about Layer‑3 adoption, go to “Layer-3 
Adoption” on page 156.










