Patent ID: 9432244
Filing Date: 2016-08-30
CPC Classification: H04L

Claim Text:
1. A management device, comprising: a central processing unit (CPU); a memory; at least one interface connected to the CPU wherein setting of each interface is information indicative of connection destinations of local area network (LAN) ports and console ports with which a switch blade is equipped; a detector that utilizes the CPU to periodically monitor configuration definition information for a common flag of a plurality of switch blades that set the common flag to common information at fixed intervals, and detects information on a changed portion of the common information to which an update flag is set, wherein among the common information to which the common flag is set, each of the plurality of switch blades includes unique information which comprises at least device name and IP address and the common information common to the plurality of switch blades as one information wherein the common information includes virtual LAN information, a password, setting of each interface mounted on each switch blade indicating setting of each local and network port; and an updater executing on the CPU, updates common information set to another switch blade by using the information on the changed portion of the common information to which the update flag is set, upon detecting the information on the changed portion of the common information, wherein the information on the changed portion being included in one switch blade that is a part of the plurality of switch blades, wherein the common flag identifying the common information in the plurality of switch blades is configured so that the common information set to the another switching blade is updated in response to the change of the common information in the one switching blade; wherein the management device notifies one switch blade in the plurality of switch blades of update completion of the common information, and the one switch blade cancels the update flag; and wherein each of the plurality of switch blades change a number and a type of flags to be added to the common information according to a content and a changed state of the common information.