Proprietary info sent on air?
francesco.sigona at unile.it
Mon May 26 06:23:02 EDT 2003
Does anyone of you know if some kind of proprietary info is sent in frames by a Prism2-based card?
My question arises by observation of the size of beacon frames, sent by a card in master mode. By sniffing them via ethereal on a dedicated station, I can see a size of 59 bytes. But if I check the behaviour of RxMulticastOctests and the RxMulticastFrames counters in an associated station, in a session where beacons are the olny frame sent, I can easily compute the size (RxMulticastOctests / RxMulticastFrames ) and I get always 63 bytes.
What is this 4 bytes difference?
They are really sent on air, or are computed locally by the receving card?
Thanks in advance.
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