Patent ID: 8305937
Filing Date: 2012-11-06
Classification: H04B,H04L,H04W

Abstract:
1. A repeater comprising: a learning table for registering, each time a reception frame is received, a transmission source address of the reception frame in association with a reception port; a control unit that retrieves an address identical with a transmission destination address of the reception frame from the learning table to repeat the reception frame via a port corresponding to the retrieved address; a retrieval situation storage unit that stores a retrieval situation of an address retrieved as the address identical with the transmission destination address of the reception frame in association with each address registered in the learning table; an address specifying unit that refers to, when registering the transmission source address of the received frame in the learning table, a retrieval situation of an address stored in association with a port identical with a port that receives the frame among retrieval situations stored in the retrieval situation storage unit and specifies an address to be overwritten by the transmission source address of the reception frame; an address registering unit that overwrites and registers the transmission source address of the reception frame on the address specified by the address specifying unit; and a retrieval situation updating unit that updates, when retrieving the address identical with the transmission destination address of the received frame from the learning table, the retrieval situation stored in the retrieval situation storage unit in association with the retrieved address.