| 摘要 |
PROBLEM TO BE SOLVED: To provide a gateway device for constituting a radio relay system, capable of preventing masquerade by an illegal communication terminal having a camouflaged MAC address or a camouflaged identification address.SOLUTION: A radio relay system includes: a plurality of radio relay devices 3 for relaying in a multi-hop manner; a communication terminal 2 connected to the radio relay device 3; and a gateway device 1 for relaying communication data with a shopping server 7 which is a communication destination designated by the communication terminal 2. In the radio relay system, a substitutive authentication request command transmitted from the communication terminal 2 is relayed by the radio relay device 3, and the communication terminal 2 is authenticated by collating route information, through which the substitutive authentication request command passes before received by the gateway device 1, with route information stored beforehand in the gateway device 1. |
