Quoting Dan Williams <[EMAIL PROTECTED]>:

> Actually, it does.  When you drop the menu down, NM schedules a scan in
> a very short period of time, and reduces the inter-scan interval to 20s.
> When you haven't touched the menu for a while, it pushes the scan
> interval out to 20 minutes or something like that.

Well, I just moved locations.  Now I see 23 APs.  the first 12 are
IETF66B.  Then #13-19 are IETF66A.  Then #20-23 are ESSID "".  But
the only item I see in the nm-applet dropdown is IETF66B.  (I'm
still getting my list from iwlist ath0 scan).

>> It looks like the scan list returns 15 APs, so in an area of 25-50 
>> APs, a directed scan will often be required.
>
> Yes; wireless is inherently unreliable and you may not get every AP on
> every scan for various reasons.  You never will, even with 'iwlist ethX
> scan', even executed multiple times.  It Just Doesn't Work That Way.  So
> what NM does is collect scan results and age them; an AP is removed from
> the NM scan list when it hasn't been seen in a scan for 6 minutes, which
> is > 3 scan requests.
>
> Wireless scans are never complete or reliable on _any_ platform.

But does NM pull ALL the data from the scan results?  Or is it
truncated.  It FEELS like it's only pulling down the first N-kb
of the scan results.

Is the scan logged anywhere by NM?

> Dan

-derek
-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       [EMAIL PROTECTED]                        PGP key available

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