WDS problems observed in today's testing

[Jim Gettys]

These were WRT54GL's running OpenWRT, just to ask the exact
configuration?

Note that (the last I heard) some of the newer WRT54G's have too little
RAM to run OpenWRT, which is why the WRT54GL model was introduced, IIRC.
                              - Jim

On Mon, 2008-03-03 at 16:47 +1030, Kim Hawtin wrote:
> Javier Cardona wrote:
> > What I recall is 50% duty cycle and a channel grade of 22/100.  The
> > channel grade takes into account not only the duty cycle but also the
> > noise floor.
> > I did not re-check those numbers after turning the AP off, but there
> > was a drastic improvement of the channel energy profile.
> > 
> > The limit of concurrent users for a low-end AP like the WRT54G is ~30.
> 
> these APs are capable of ~65 concurrent users.
> 
> at linux.conf.au this year we had associated clients regularly hitting
> over 60 clients *per* WRT54GL. we had about 25 installed around the venue.
> 
> the maximum associated clients we saw on one AP was 68.
> we were using the default install of OpenWRT 7.09.
> 
> > But in the capture we see that the AP is wasting most of its time
> > transmitting WDS frames at low rates.  That is very likely to be the
> > reason why we could not get more than 17 laptops associated.
> 
> regards,
> 
> Kim
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-- 
Jim Gettys
One Laptop Per Child