Wireshark-bugs: [Wireshark-bugs] [Bug 11205] IEEE 802.11 dissector: Add a option for disable FCS
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 19 May 2015 01:53:32 +0000

Comment # 5 on bug 11205 from 
@Guy

I don't know why we didn't implement radiotap (will try to find out) but the
easiest win I see on our side is to inject either a padded fake FCS for these 
packets (that we can handle at the dissector) or the AP can add a dummy FCS
calculation that is correct at the time. 

The packet-capture code on Aruba side has a number of fields which are dummy
filled for the specific case of "the capturing AP is also transmitting", hence
we can easily handle it at the AP. As you note there is no way to flag this,
other than perhaps a dummy 0x00 * 4 FCS inserted.

I am going to raise this internally this week, to see what our R&D is
prepared/able to do about it.

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