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Re: Capturing packets with bad FCS in monitor mode

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On 08/05/2010 11:40 AM, Daniel Haid wrote:
I can get packets with crc error using this method and I get lot of
corrupted packets. I am using ath9k with openwrt for router station
pro+ubiquity sr-71A card and tplink 1043nd.
I am using an ubiquity sr-71X card, and still not one corrupted packet.

I think I need to artificially create and transmit a corrupted packet. How
can I do that?
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I am not sure about how to create corrupted packets. Normally you should get lot of corrupted packets from surrounding transmission. In my case, monitor mode hangs sometime and I don't get any packets. Then if I delete the interface and create a new interface using the iw command I gave earlier, I get packets with crc error. You can also modify already created interface using

iw wlan0 set monitor flag fcsfail

Musa

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