| 摘要 |
A method of operating a network device having a communications protocol stack for communication with other devices via a packet-based network, in which the protocol stack including at least a media access layer and one or more higher layers. The method includes the steps of: receiving a packet at the media access layer of the device; analysing said packet to identify a characteristic indicative that the packet includes a media access layer instruction; and upon identification of said characteristic, executing a procedure at the media access layer in accordance with the instruction contained in the packet without passing said packet to a higher layer.
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