
Do this using Static DHCP or by manually configuring IP assignment on your devices. It is recommended to set static IP addresses for any computers you would like to forward ports to. Someone can call the office but requires an internal person to transfer to the correct recipient.

Think of Port Forwarding as an office telephone switchboard. Thankfully, you can use port forwarding to allow your computer to receive all of the information it needs! And, the reason is that the router only knows a specific port the information is supposed to go to, but that could be for any device on your network. If you often use torrents, you may notice that you are not “connectable,” which means that you cannot properly connect. When receiving information, the router does not necessarily know which device to deliver it to. While this makes communication between devices on the same network easy, it’s a different story on the open internet. Your router assigns a completely different, private address to each device on the network so that it can properly function. That is because the internet only sees your public IP address. No matter what device you check from, it will always be the same. This becomes clear when you check your IP address online. However, every device on a network uses a unique Private IP. Every Internet Service Provider (ISP) assigns a public IP address to an internet connection. To understand port forwarding, you first have to understand the basics of routers.

What Does a Router Do? An Intro to Port Forwarding
