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Technical details of power line adapter request and confirm messages, which are embedded within Ethernet packets, are provided in the pages describing the commands. A few of the commands utilize the HomePlug AV2 protocol (i.e., Ethertype = 0x88e1). Many of the commands utilize Broadcom's proprietary protocol (i.e., Ethertype = 0x8912) for which there appears to be no publicly available documentation.

Some details of the proprietary protocol were discovered by using Wireshark to capture packets sent or received by l2command.exe, which is included in D-Link's PLC Utility Lite. Additional clues were found in source code files on Github under the asuswrt-merling.ng repository.

ℹ️ Note: The correctness of the proprietary messages' technical details on this wiki cannot be guaranteed; technical details are subject to change without notice.