Patent ID: 8902789
Filing Date: 2014-12-02
Classification: H04L,Y02D

Abstract:
1. A network management system comprising; an internetworking unit for connecting networks; and a management device for making network connected apparatus information of an apparatus connected to a network, wherein said management device comprises: means for accessing said internetworking unit and obtaining adjacent apparatus information of an apparatus adjacent to said internetworking unit by an LLDP (Link Layer Discovery Protocol) function installed in said internetworking unit; means for updating the network connected apparatus information based on the adjacent apparatus information; and means for discriminating the presence or absence of said internetworking unit connected to a port other than an accessed port of said internetworking unit based on said obtained adjacent apparatus information, and when said internetworking unit is connected to the port other than said accessed port, adjacent apparatus information of said internetworking unit is obtained, and said network connected apparatus information is updated.