feisty atheros and wpa

[Ramesh R]

Ivica,

The easiest way to dig & find out as to what goes on
is to use a laptop with airopeek or kismet installed. 
I suspect the key exchanges, check the EAPOL-Key
exchanges between the AP & the station. As a first
step, see if the authentication sequence is complete. 

For WPA-PSK you should see an auth req & auth response
followed by an association req. & association resp.
The key exchanges start & totally you should see 6
EAPOL-Key Frames between the AP & the station for a
WPA-PSK based auth. setting. 

Cheers
/R

--- Ivica Ico Bukvic <ico at vt.edu> wrote:

> Hi all,
> 
> I am using Ubuntu feisty (more precisely Ubuntu
> Studio) and here's my
> dilemma:
> 
> *macbook pro santa rosa, 2.6.20-16 low latency
> kernel from Ubuntu Studio,
> atheros driver ath_pci with madwifi 0.5.5
> wpasupplicant, using nm-applet
> *Wireless networks are detected (including
> WPA-enabled which interests me
> the most)
> *Connecting to WPA-enabled network has so far worked
> only once (I am unable
> to recreate the scenario as it appears near random)
> *tried using latest madwifi driver from svn trunk
> and 0.6.0 wpasupplicant
> without success
> *tried using wicd instead nm-applet without success
> *manually running wpa_supplicant -Dwext (or
> -Dmadwifi which appears to a bit
> farther) -iath0 -c/etc/wpa_supplicant.conf -dd gives
> me successful
> authentication (AUTHENTICATED message) with
> appropriate settings in
> wpa_supplicant.conf and /etc/network/interfaces
> which include WPA-PSK/TKIP
> settings (WPA network I am trying to join is not
> advertising ESSID so I am
> using scan_ap=2 and scan_ssid=1) but I still cannot
> connect
> *I have no idea what settings nm-applet is running
> wpa_supplicant with--may
> have to dig into the nm-applet's code
> 
> I'll try to send a detailed outputs from relevant
> files later, but was
> wondering in the meantime if anyone had any ideas
> why and how is this
> happening? Since I manually installed wpa_supplicant
> and latest madwifi
> drivers, do I need to also install hostap as well (I
> suspect not but then
> again what do I know :-)?
> 
> P.S. FWIWI it would be helpful to have some kind of
> a diagram which shows
> hierarchy of what affects what as it appears that
> starting wpa_supplicant
> manually collides with ifup commands (and
> vice-versa) while nm-applet is a
> story in and of itself...
> 
> Many thanks!
> 
> Best wishes,
> 
> Ivica Ico Bukvic, D.M.A.
> Composition, Music Technology, CCTAD, CHCI
> Virginia Tech
> Dept. of Music - 0240
> Blacksburg, VA 24061
> (540) 231-6139
> (540) 231-5034 (fax)
> ico at vt.edu
> http://www.music.vt.edu/people/faculty/bukvic/
>  
> 
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> 



       
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