IP ADDRESS RESOLUTION METHOD OF RELAY DEVICE, RELAY DEVICE, AND PROGRAM

PROBLEM TO BE SOLVED: To provide an IP address resolution method of a relay device, the relay device, and a program that allow a terminal device to more easily obtain an IP address of the relay device on a communication path.SOLUTION: In a network 1 including a PC 200, a wireless AP 100 connected at...

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1. Verfasser: AOSHIMA ATSUSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an IP address resolution method of a relay device, the relay device, and a program that allow a terminal device to more easily obtain an IP address of the relay device on a communication path.SOLUTION: In a network 1 including a PC 200, a wireless AP 100 connected at an upper-level side with the PC 200 via radio L1, and an HGW 400 connected at an upper-level side with the wireless AP 100 via a cable L2, an IP address resolution method of the wireless AP 100 includes the wireless AP 100 snooping into a DNS query transmitted by the PC 200, and transmitting an IP address corresponding to a domain name of the wireless AP 100 to the PC 200 if the DNS query obtained by snooping is a DNS query designating the domain name of the wireless AP 100.SELECTED DRAWING: Figure 6 【課題】端末装置が通信経路上の中継装置のIPアドレスをより容易に取得できる、中継装置のIPアドレス解決方法、中継装置、及び、プログラムを提供する【解決手段】PC200と、PC200と無線L1を介して上位側に接続された無線AP100と、無線AP100と有線L2を介して上位側に接続されたHGW400と、を備えるネットワーク1において、無線AP100は、PC200から送信されたDNSクエリをスヌーピングし、スヌーピングしたDNSクエリが無線AP100のドメイン名を指定したDNSクエリである場合、無線AP100のドメイン名に対応するIPアドレスをPC200に送信する、無線AP100のIPアドレス解決方法。【選択図】図6