Method for using a unique IP address in a private IP address domain

摘要

Disclosed is a method for using a unique IP address for a limited period of time in a device connected to a LAN which includes a router and a LAN device. In the method, the LAN device sends a unique IP address request to the router to be allocated a unique IP address, when the LAN device needs a unique IP address. The LAN device returns the allocated unique IP address to the router after using the allocated unique IP address.