LAN CONTROL INFORMATION MANAGEMENT APPARATUS, LAN CONTROL SYSTEM, AND LAN CONTROL INFORMATION MANAGEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To suitably manage LAN control information.;SOLUTION: A LAN control information management apparatus is provided with a LAN control information table in which MAC addresses, user IDs and LAN control information are correspondingly stored. The LAN control information management apparatus acquires a MAC address for identifying the terminal and user ID for identifying a user using the terminal at present when receiving a layer 2 connection request from a terminal, retrieves whether the acquired MAC address is stored in the LAN control information table or not, compares whether the user ID corresponding to the retrieved MAC address coincides with the acquired user ID or not when the MAC address is retrieved, and deletes correspondence concerned with the MAC address stored in the LAN control information table if the user IDs are different from each other as the compared result.;COPYRIGHT: (C)2009,JPO&INPIT