Wireshark-bugs: [Wireshark-bugs] [Bug 8256] Ethernet Frame with all zeros is decoded as Fibre Ch
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 23 Jan 2013 22:47:03 +0000

changed bug 8256

What Removed Added
Status UNCONFIRMED CONFIRMED
Ever confirmed   1

Comment # 1 on bug 8256 from 
That's not a bug, that's a feature, of the MDS dissector. See the MDS
dissectors preference "Decode as MDS Header if Ethertype == 0" (enabled by
default).
It says: 
"A frame is considered for decoding as MDSHDR if either "
"ethertype is 0xFCFC or zero. Turn this flag off if you "
"you don't want ethertype zero to be decoded as MDSHDR. "
"This might be useful to avoid problems with test frames."

Could the MDS dissector be improved to handle all zero frames? Yes, that
enhancement could be made. The question is what the right heuristics are.

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