What is NAT and how to configure it?

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NAT stands for Network Address Translation. It is used to translate private IP addresses to public IP addresses.

NAT is used to allow devices with private IP addresses to access the internet using a public IP address.
It can be configured on a router or firewall.
There are three types of NAT: static, dynamic, and port forwarding.
Static NAT maps a private IP address to a public IP address permanently.
Dynamic NAT maps a private IP address to a public IP address temporarily.
Port forwarding maps a specific port on a public IP address to a specific port on a private IP address.
NAT can be configured using command line interface (CLI) or graphical user interface (GUI).

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