Wireshark-bugs: [Wireshark-bugs] [Bug 8148] HomeplugAV dissector: Troubles decoding HPAV-1.1 pac

Date: Sat, 05 Jan 2013 17:17:17 +0000

Comment # 13 on bug 8148 from
Hello Florian,

dissecting seems to work OK now.
Attached a patch which adds some additional formatting to the mmhdr subtree
(e.g. selecting 5 mmheaderbytes with mmver!=0, Added a subtree for the
Fragmentation Info).

For fixing the HPAV-1.1 vendor "Network Information Confirm" frame I think it
is better to open a new bug. Maybe the case mmver!=0 must be distinguished for
all HPAV-1.1 vendor frames.

"Your mixed capture seems to have corrupted HomePlug AV 1.1 frames which are
only 17 bytes long, do you know why?"
For me this seems to be a bug in the HPAV Utility. I have only seen this error
with "MAC Management, Get Bridge Informations Request" frames. I also have a
capture using a different Utility which produces 60 byte frames (all 0x00
padding). Maybe somebody can check the HPAV standards which encoding is
correct. The devices however responds with a correct MAC Management, Get Bridge
Informations Confirmation".

Thanx,
Guus


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