wpa_supplicant v0.6.3 not seeing 2nd ESSID on one BSSID when scanning

David Ehrmann ehrmann at gmail.com
Tue Sep 30 01:37:05 EDT 2008


This seems to be working.

thanks.

Jouni Malinen wrote:
> On Sun, Sep 28, 2008 at 10:24:21PM -0700, David Ehrmann wrote:
> 
>> I'm using ndiswrapper, and I have ap_scan=1, so wpa_supplicant does the 
>> scanning.
>>
>> After a disconnect, the BSSID getting blacklisted, then unblacklisted, 
>> the scan can't find the second ESSID on a BSSID--the one I'm trying to 
>> connect to.
> 
> The second SSID in "hidden SSID" and you won't find it with ap_scan=1
> when using NDIS drivers.
> 
>> Should I be using ap_scan=1 for an ndiswrapper interface?
> 
> Not in this case. If you need to connect to a hidden SSID (including
> this type of multiple SSIDs per BSSID cases), you will need to use
> ap_scan=2 when using NDIS drivers (including the use via ndiswrapper).
> 
>> Is not seeing the interface a wpa_supplicant bug?  Is it a driver bug?
> 
> No and no. It's a known limitation of function set in this type of
> combination, not a bug..
> 
>> I do have scan_ssid=1 set.
> 
> NDIS interface does not support scan_ssid=1, so the only option is to
> use ap_scan=2 and explicitly set the security parameters.
> 



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