Periodic scans from wpa supplicant (ap_scan=1)

Dan Williams dcbw at redhat.com
Tue Nov 8 12:26:38 EST 2011


On Mon, 2011-11-07 at 12:30 -0600, alfred steele wrote:
> >
> > By default, wpa_supplicant does not request background scans.
> But if i have ap_scan=1 set, it does, right? So where is the piece of
> code of code which controls this logic in the code base. IS the
> default value for the timer 100 ms?
> Is that reconfigurable?

If ap_scan=1, then the supplicant only scans when it's disconnected and
looking for an AP to connect to, and thus does not disrupt control/data
frames.  The background scanning stuff was only added in 0.7.x.  Are you
running something like NetworkManager, wicd, etc?

Dan




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