Every internet-enabled device sends its packets of data through specific ports. BT Business hubs handle that data transmission automatically, but you may need to set port forwarding (or port mapping) rules for certain devices.
For example, you may need to set up port forwarding to some Closed Circuit TV (CCTV), certain Virtual Private Networks (VPN) and games machines. You’ll need to know the port range information from your IT department or device user guide, then select your hub from the options below.
![Business Smart Hub 3](https://business.bt.com/content/dam/bt-business/images/help-and-support/broadband-and-internet/bt-business-hubs--help-and-guides-for-your-model/smart-hub-3-photo-front-small.png)
Business Smart Hub 3
![Business Smart Hub 2](https://business.bt.com/content/dam/bt-business/images/help-and-support/broadband-and-internet/what-do-the-lights-mean-on-my-bt-business-hub/smart-hub2-small-new.png)
Business Smart Hub 2
![Business Smart Hub 1](https://business.bt.com/content/dam/bt-business/images/help-and-support/broadband-and-internet/what-do-the-lights-mean-on-my-bt-business-hub/smart-hub-small.jpg)
Business Smart Hub 1
![BT Business Hub 5](https://business.bt.com/content/dam/bt-business/images/help-and-support/broadband-and-internet/what-do-the-lights-mean-on-my-bt-business-hub/hub5-medium.jpg)
BT Business Hub 5
![BT Business Hub 3](https://business.bt.com/content/dam/bt-business/images/help-and-support/broadband-and-internet/what-do-the-lights-mean-on-my-bt-business-hub/bt-business-Hub-3.png)