A communication apparatus including: a reception unit configured to, receive a first frame having a first format and a second frame having a second format in which information is reduced with respect to the first format and extract a first identifier existing in both the first frame and the second frame; a first frame processing unit configured to process the first frame; a second frame processing unit configured to process the second frame; a table including a correspondence between the first identifier and a second identifier indicating whether the first frame and the second frame having the first identifier is in the first format or the second format; and a control unit configured to transfer the first frame or the second frame to one of the first frame processing unit and the second frame processing unit based on the table when the frame is received.