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Posted by:nitishd
Subject:Prism GT card not capturing data frames in monitor mode :O
Date:07:23:01 09/01/2009

> > > wireless card : Intersil Corporation ISL3890 [Prism GT/Prism Duette]/ISL3886 [Prism Javelin/Prism Xbow] (rev 01)
> > > Ubuntu hardy 8.04
> > > hey !
> > > My wireless card isnt capturing data packets in monitor mode. I have tried with many sniffers like wireshark,kismet,airodump-ng but aint working . It is only capturing beacon frames broadcasted by AP's .
> > > I dont seem to figure out the reason fr it. Kismet takes it nicely into monitor mode but if I try to take it in monitor mode using airmon-ng it returns some error :
> > > sudo airmon-ng start wlan0
> >
> > Looks like you're using mac80211 drivers.
> >
> > Either drop back to pre-mac80211, or go to the bleeding edge of mac80211 - 2.6.28, or better, 2.6.28+wireless-compat.
> >
> > While it's getting much better, mac80211 has had a lot of thrash and they've broken rfmon on several chipsets in this way, I don't know if it's fixed on yours yet but that's how you'd find out.
> >
> > -m
>
> Hey thanks for the prompt reply. I tried what u said & its working now .
> kernel 2.6.28 with compat-wireless.
> kudos to ya !!

hey one more query .
As I already informed , my card is capturing is all frames but when I open the packets, captured by kismet, in wireshark it aint showing the src & dest IP address. Kismet, I guess, is only capturing Layer 2 frames thats why wireshakr is showing only src & dest MAC addresses (apart from other info also).Is there any way to capture upper layer frames also?
Thanks for your time.


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