Pool of IP

[fm mamun]

Why we use Pool of IP in NAT server????

[Banfa]

Because that is how NAT works, it translates an Inside Local Address (i.e. the IP address of the computer) to an Inside Global address (one of the addresses assigned by you ISP to your router). In a large company you normally do that by having a range of IP addresses available in the pool of assigned addresses to your router. For a home or SMB you may only have 1 assigned Inside Global Address in which case you would use PAT (Port Address Translation), i.e. different ports on the same IP address are used.

[ChristianC123]

Network Address Translation (NAT) is designed for IP address conservation. It enables private IP networks that use unregistered IP addresses to connect to the Internet.A NAT pool is a user-defined set of IP addresses that are used for translation

Regards,
Christian