Patent ID: 8533316

Claim:
A management computer connected to a plurality of nodes each having a plurality of ports, comprising: a transmission module for sending a configuration definition to each of the plurality of nodes; an input module for receiving an input of a first network configuration information including free port information of each of the plurality of nodes and information on a VLAN set between at least two of the plurality of nodes; a display module for using graphics representing the plurality of nodes and connection relations between the plurality of nodes to display second network configuration information reflecting the first network configuration information received by the input module; and a processing unit, wherein the input module further receives a selection of one of the plurality of nodes or one of the connection relations, wherein the processing unit creates a redundancy configuration between the selected one of the plurality of nodes and an unselected node among the plurality of nodes based on the free port information, and the information on the VLAN, and the second network configuration information, and updates the second network configuration information to third network configuration information based on the redundancy information, wherein the display module further displays the third network configuration information including the redundancy configuration with the use of graphics representing the plurality of nodes, wherein the input module further receives an input of a confirmation of the third network configuration information, and wherein, based on the input of the confirmation, the transmission module sends, to each of the plurality of nodes, respective configuration definitions of the plurality of nodes in the third network configuration information.