15 什么是NAT技术？动画演示NAT原理，NAT怎样去实现局域网访问公网

In every modern network, we use private IP addresses inside our LAN, but the internet only recognizes public IPs. To bridge this gap and allow multiple devices to access the internet using a single public IP, we rely on Network Address Translation (NAT). NAT plays a crucial role in today's networks by providing IP conservation, security, and seamless connectivity between internal devices and the outside world. What is NAT?? NAT (Network Address Translation) is a process performed on routers or f