[ASL] looking for wireless sniffer tools

[Luo Y. <EY...@nt...>]

Dear all:
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I'm doing a project on the wireless 802.11b MAC layer design, trying to
send out MAC packets to AP and receive the response from AP as normal
802.11b cards.=20
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I have a problem now that both AP and sniffer card can't receive the
packets send by my card. The data frame is correct before it enters the
modulator, according to the output from digital oscilloscope. With a
spectrum analyzer and a wide band antenna, I can see the packet sent out
to air from the RF antenna, at channel 13.=20
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I'm using Airopeek, a software to receive every packet in the air, and a
normal 802.11b card to receive the pacets sent by the modified card. But
it can't receive anything from it.=20
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My question is, is there any tool can receive and store every byte
received at the card. I hope to find that maybe part of the packet
received at the normal card.
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Thanks
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Luo Yang