FIELD: data processing.
SUBSTANCE: invention relates to information processing devices, for example, a multifunctional peripheral device (MFP). Disclosed is an information processing device, which uses one interface from a wire interface and a wireless interface as a primary line, and another is used as a sub-line. It is determined whether network address of sub-line IP-address is overlapped with network address of IP-address of main line. If it is determined that network address of sub-line IP-address is overlapped with network address of IP-address of main line, sub-line is prohibited for use.
EFFECT: identifying a line to be used even if the same address information is set for a plurality of lines.
9 cl, 22 dwg
