1. A monitoring control device which monitors a communication device connected through a network through a virtual LAN provided on the network, the monitoring control device comprising: a bandwidth learning unit which learns a bandwidth between the communication device and the monitoring control device by a first file transfer, and a file transfer management unit which manages whether or not a second file transfer, which passes through at least one section, is able to be performed based on a section bandwidth of the at least one section of the network, the section bandwidth obtained from the bandwidth learned by the bandwidth learning unit.