Smc8014 User Manual -

Enter the public IP provided by your ISP and map it to the private internal IP address of your device. Save: Click "Add" or "Save" to apply the changes. Why This is a "Good" Feature

It provides 1-to-1 NAT without opening all ports, keeping the internal network secure. Smc8014 User Manual

Allows business owners to host multiple servers (web, mail) on different public IPs. Enter the public IP provided by your ISP