Device supporting multi-protocol access authentication

The invention provides a device supporting multi-protocol access authentication, and relates to the technical field of communication, the device comprises a control management module and a communication interface module, the communication interface module is provided with communication interfaces of multiple protocols and is used for receiving and transmitting data messages of corresponding protocols through the communication interfaces, and the control management module is connected with the control management module. The control management module is used for determining a protocol message format of each communication interface, and determining a downlink communication interface corresponding to the uplink communication interface according to equipment information contained in the protocol message format of any uplink communication interface and a preset uplink and downlink correspondence relationship of the communication interfaces; and data communication is carried out through the uplink communication inte