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<div class="moz-cite-prefix">I would agree too many for one AP with
all the hand shaking and such. Any possibility of a few more and
making a mesh?<br>
<br>
Kev,<br>
<br>
On 06/06/14 17:09, Karl Buckland wrote:<br>
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cite="mid:CAOe9xYAmni-Lk0zmNz5cfJjZR4ZLLz2NYCiMG_axX819mHugUA@mail.gmail.com"
type="cite">
<div dir="ltr">Hi Alan,
<div><br>
</div>
<div>Regardless of the issue of devices getting registered, I
would have thought that 60 devices would be completely
oversubscribing a wireless access point. On a 54 mbps access
point in perfect conditions, those 60 clients would get about
900kbps each. Then you have TCP overheads on top of that. Even
with a faster access point, the timing interference between
all those radios trying to broadcast at once becomes a big
problem. And that's with perfect conditions. More than likely,
it's much worse than that. Are the devices that are
registering working properly? I would've thought they would be
struggling and you'd need at least two access point on
different channels.<br>
</div>
<div><br>
</div>
<div>Sorry I know that isn't answering your questions directly,
but I looked into something similar previously and thought
this might help.</div>
<div><br>
</div>
<div>Karl</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On 6 June 2014 16:58, Alan <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:alan@hipnosi.org" target="_blank">alan@hipnosi.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi all,<br>
<br>
Running into a weird problem trying to use about 60 wireless
devices simultaneously on a single ESSID and I wonder if
anyone has some experience of any issues or limitations in
this regard..<br>
<br>
I am helping out a local cell of <a moz-do-not-send="true"
href="http://coderdojo.com" target="_blank">coderdojo.com</a>,
as soon as more than 20 or so devices connect to their
wireless, no more new devices can associate (even if
existing devices get off).<br>
<br>
Initially I thought it was a problem with the wireless AP on
the cheap ADSL router, so I set up a separate wireless AP
relaying the DHCP from the router (yes the router has a
large pool - 192.168.1.5-250). Still during the next session
the same issue again.<br>
<br>
Following that I installed a Debian box running dnsmasq as a
DHCP server and NAT routing traffic on the AP to the ADSL
router - what do you know, same problem!<br>
<br>
The core issue is the inability of large numbers of devices
to associate with the wireless AP (have tried a few
different consumer wireless AP's by now - all with same
symptoms)<br>
<br>
The next dojo is tomorrow and I will be there to diagnose
onsite this time, but if anybody has any heads-ups about
large wireless networks I'd really appreciate the info.<br>
<br>
Alan<br>
<br>
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