Here is a list of the ports that need to be forwarded for ATT 3G MicroCell:
ATT 3G MicroCell - PC
- TCP: 443
- UDP: 123, 500, 4500
Set Up a Port Forward for ATT 3G MicroCell
You may need to forward ports in your router when you use ATT 3G MicroCell. By forwarding ports you allow connection requests coming from the internet to be directed to ATT 3G MicroCell.
Routers generally do not allow incoming connection requests from the internet. By forwarding ports you can work around this limitation.
Before You Forward a Port
You need to know the following things before you can forward a port:
- The internal IP address of your router.
- The internal IP address of your device.
- The list of the TCP and UDP ports that you need to forward.
Locate Your Router's IP Address
To find your router's IP address the easy way you can use our free Router Detector software. Our Router Detector tool is free to use and is part of our Network Utilities software.
Otherwise, you can follow our guide Find Your Router IP Address.
Setting Up a Port Forward for ATT 3G MicroCell
You can use our Network Utilities software to automatically forward ports for you. Network Utilities lets you manage port forwards by putting them in when you need them and also removing the ones that you no longer need which maximized network security.
Alternatively you can do it by hand. The normal process for forwarding a port is:
- Log in to your router.
- Locate the section in your router that deals with port forwarding.
- Put your device's IP address in the proper box in your router.
- Enter the TCP and UDP ports that you need to forward for ATT 3G MicroCell in the corresponding boxes in your router.
You probably will need to reboot your router for the changes to take effect.
You can choose your router from our list to see exactly how to forward ports for ATT 3G MicroCell:
List of Routers - Customized for ATT 3G MicroCell
Those are the steps for forwarding ports in your router for ATT 3G MicroCell.