On Fri, Apr 1, 2011 at 9:51 AM, Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> wrote: > On Friday 01 April 2011 05:12:45 Realman Namingston wrote: >> ar9170-based devices record a fair amount of bad packets in monitor >> mode both with the old ar9170usb and new carl9170 drivers. The packets >> contain random BSSIDs, some measure of additional random data, and >> seem to scale proportional to the amount of traffic occurring on the >> observed channel. This behavior makes the devices rather unattractive >> for use in Kismet and site survey applications. >> >> I assume this is due to a shortcoming of the hardware.. but is there >> any potential fix possible? > no, you misunderstood that completely: it's a shortcoming of kismet! > > quote: > "Usually the wireless adapter is unable to transmit in monitor mode and > is restricted to a single wireless channel, though this is dependent on > the wireless adapter's driver, its firmware, and its chip set's features. > Also, in monitor mode the adapter does not check to see if the cyclic > redundancy check (CRC) values are correct for packets captured, so some > captured packets may be corrupted." > > http://en.wikipedia.org/wiki/Monitor_mode > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Isn't ar9170 the wireless-N version of zd1211? Because zd1211 also had this problem with ZD_SNIFFER_ON. See http://patches.aircrack-ng.org/zd1211rw_inject_2.6.26.patch -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
