Mobile terminal and method for notifying access router of IP address in wireless network

A computer-readable recording medium storing a program comprising:

• a first set of instructions for performing duplicate address detection (DAD) with respect to an automatically-configured IP address;
• a second set of instructions for transmitting, to an access router, a notification message including an IP address resulting from the performing of the DAD;
• a third set of instructions for notifying the access router using the notification message;
• a fourth set of instructions for checking whether an approval message is received in response to the transmitted notification message;
• and
• a fifth set of instructions for using the automatically-configured IP address based on the checking,
• wherein the using comprises using the IP address when the approval message is received and discarding the IP address when the approval message is not received, and the discarding comprises repeatedly transmitting the notification message a certain number of times and discarding the IP address after transmitting the notification message a certain number of times.

A mobile terminal for notifying an access router of an IP address of the mobile terminal, the mobile terminal comprising:

• a detector for performing DAD with respect to an automatically-configured IP address;
• a controller for generating a notification message including the IP address resulting from the performing of the DAD by the detector;
• a transmitter/receiver, where the notification message is input from the controller for transmitting the input notification message to the access router,
• wherein the transmitter/receiver receives an approval message corresponding to a response with respect to the transmitted notification message, and
• the controller uses the automatically-configured IP address according to the approval message input from the transmitter/receiver,
• wherein the controller uses the automatically-configured IP address when the approval message is input, and when the approval message is not input, the controller repeatedly transmits the notification message via the transmitter/receiver a certain number of times and discards the automatically-configured IP address after repeatedly transmitting the notification message a certain number of times.