Changes such as addition or removal of a device in a system composed of a number of devices are automatically detected and the physical location of the devices is managed. A management method of this invention includes a step (S502) of detecting the physical location of servers (S1 through S3) connected to a network switch (2) that is to be monitored, steps (S512 and S513) of collecting a globally unique MAC address which is unique to equipment of the servers (S1 through S3) connected to the network switch (2) and is not shared by the equipments, and a step (S517) of creating configuration information from the MAC address and from the physical connection location of the network switch (2).
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