| 摘要 |
<p>The present invention discloses a data upgrade method for a switching device in a 2-layer network environment, according to the method, a switching device sends a register request message to a managing device, the managing device executes register operation to the message (1). After the register operation is finished successfully, the switching device shakes hands with the managing device (2), during the handshaking, the managing device sends a data description frame of the data to be upgraded to the switching device (3), and the switching device determines whether to execute data upgrade operation after receiving the message (4), if yes, the switching device sends a data description frame response message allowing data upgrade (6), the managing device receives the data description frame response message, the data to be upgraded is downloaded to the switching device (8). <IMAGE></p> |
