Meaning of the NAT on the USG2000 and USG5000

The Network Address Translation (NAT) is an address translation technology. It can convert the address in an IPv4 packet header to another address. Generally, the NAT is used to convert a private IP address in the IPv4 packet header to a public IP address, so that multiple users on the private network can access the Internet using less public IP addresses. Therefore, the NAT technology can address the IPv4 public address shortage issue caused by the expansion of the Internet scale.

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