Click on [Applications] – [UPnP / NAT-PMP] tab. You will see the following screen.
Configure [UPnP] Settings following the instructions below
UPnP
Select Enable/Disable to enable/disable UPnP
NAT-PMP
Select Enable/Disable to enable/disable NAT-PMP
UPnP Port
Enter the number for UPnP port.
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