A communication system includes a first communication apparatus connected to a network by a first communication path running via a first base station, a second communication apparatus connected to the network by a second communication path running via a second base station, and a server configured to be capable of communicating with each of the first communication apparatus and the second communication apparatus. The second communication apparatus is configured to transmit to the server, attribute information indicating an attribute of the second communication path including the second base station, the server is configured to generate path setting information for the first communication apparatus to set a communication path, on the basis of the received attribute information, and the first communication apparatus is configured to set a redundant communication path running via the second communication apparatus and the second base station, based on path setting information generated by the server.