A communication method for a hybrid wired and wireless communication system includes registering an entry comprising a physical address of a source transmitting a received packet and an identifier indicating a wired or wireless network interface linked to the physical address in a predetermined management list; receiving a transmission packet from an upper layer and determining whether a physical address identical with a destination physical address of the transmission packet is present in the management list; and when the destination physical address is present in the management list, transmitting the transmission packet through either of the wired network interface and the wireless network interface according to the identifier.