https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2859
--- Comment #3 from Luca Ceresoli <luca.ceresoli@xxxxxxxxx> 2008-09-08 14:03:38 PDT ---
The packet is supposed to be compliant to HomePlug 1.0
(http://en.wikipedia.org/wiki/HomePlug_Powerline_Alliance)
The spec is available here:
http://www.tandel.be/downloads/INT51X1_Datasheet.pdf
(source: http://www.tandel.be/spip/article.php3?id_article=6)
I think the problem is roughly the following:
The dissector finds a Mac Mgmt Entry Header (byte 0x0f), whose length is 9
(byte 0x10). Being unable to decode its meaning (supposedly not implemented),
it should simply skip ~9 bytes, but it doesn't, so it tries to decode the next
two bytes (0x11 and 0x12) as a new <Mac Mgmt Entry {Header,Length}> pair.
This might bring the decoder in an incorrect state. Not idea what happens after
that.
There might be some conflict with the fact that the packet contains 2 MAC
Control Fields (byte 0x0e).
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