COMMUNICATIONS METHOD, DEVICE, AND SYSTEM

摘要

The embodiments of the present invention provide a communications method, device, and system, relate to the field of communications, and are capable of changing the communications address of an access point and the communications address of a station, thus preventing user information from being revealed and improving the security of a network. The method comprises: an access point sends communications address change first information to a station; the communications address change first information is used for indicating to the station the communications address after the communications address is changed by the access point; the communications address change first information at least comprises a third communications address; the third communications address is the communications address after the access point has changed the communications address; the access point determines a fourth communications address; the fourth communications address is the communications address after the station has changed the communications address; the access point switches the communications address from the first communications address to the third communications address, and uses the third communications address to communicate with the station that switches the communications address from the second communications address to the fourth communications address.