We have 45 residential clients on one AP-1000 and also disabled polling.
I'm wondering what the value of Karlnet is without the polling. Other than
the minute obscurity of the communications (just ad-hoc really) I'm
wondering what real benefits I'm gaining over a UNIX type 802.11b AP setup.
-bob
----- Original Message -----
From: "Steve Deaton" <steve@texasbb.com>
To: "'Karlnet Mailing List'" <karlnet@WISPNotes.com>
Sent: Wednesday, June 04, 2003 11:18 AM
Subject: RE: [Karlnet] Is this interference?
> We have had similar problems with polling. We have many commercial
> accounts that run citrix, or streaming audio/video, etc... With polling
> enabled, whoever needs the largest bandwidth seemed to get it
> (frequently a kazaa user), and everyone else's ping times elevated to
> around 700ms. Ping times like that kill connections that must maintain
> a connection across the internet. I haven't been able to get anyone
> else to verify these instances, but I am not sure of anyone else's load
> and client base. Our client base is primarily commercial and the only
> way we were able to get things working well was to build FlashROM units.
> We build 1.3GHz TurboCell FlashROM units configured with routing and
> DHCP and polling DISABLED. Currently we have 18 of these units active
> and serve over 200 clients. So far we have up to 50 clients on any
> single unit, with up to 10 commercial clients on the same unit. By
> commercial I mean over 20 computers using the internet for a mission
> critical connection other than email. Most are doing terminal services,
> VPN tunneling, or citrix. These numbers are not the limit, just what we
> have reached. The FlashROM unit with polling DISABLED has been the
> answer to all our prayers. I really feel that using an AP-1000 is a
> waste of time, especially for the price difference. We were up and
> running with AP-1000's for several months before changing to the
> FlashROM units, and we experienced all the problems you describe with
> the AP-1000. I am amazed at how many people choose to use something
> with a 100MHz (I think) CPU, when you can have a 1.3GHz unit capable of
> running three channels. If anyone is nervous or unsure about building a
> unit we can help. Feel free to contact me directly with questions. As
> far as polling goes, I have NEVER seen any acceptable use for polling.
> It is something that might have been cool in the beginning, or if you
> have a bunch of clients ONLY checking email. If you want to compete on
> a commercial level, I just cannot see using polling. I am open to the
> idea that we may be wrong, and I welcome input. I speak only from
> experience, so my info is gathered from our network, not hypothetical
> situations. If anyone else has any experience with FlashROM units
> please let me know what has/hasn't worked for you. Thanks.
>
> Steve Deaton
> IT Director
> Texas Broadband, Inc.
> (888)868.3835 ext 85 (office)
> 979.289.0148 (office)
> 979.289.5117 (fax)
>
>
> -----Original Message-----
> From: karlnet-bounces@WISPNotes.com
> [mailto:karlnet-bounces@WISPNotes.com] On Behalf Of Nenad Orlic
> Sent: Wednesday, June 04, 2003 2:38 AM
> To: Brett Hays; Karlnet Mailing List
> Subject: Re: [Karlnet] Is this interference?
>
> > If not, it is kind of a headscratcher. Any way - just for grins -
> that
> > you> can go up to the base station and turn OFF polling and see what
> happens?
> > I've seen numerous Karlnet networks take off and start flying when
> polling
> was turned off.
> > Go figure.
>
> I've talked few times with karlnet tech support about this. They do not
> have
> the idea why this is happening or they are just playing dumb (or both).
> Pooling is performing much better in versions 3.xx then in versions
> 4.xx.
> Their response to that was 'well switch the stations back to 3.xx' (but
> they
> just didn't told me how to do they think to do that on new boards).
>
> But turning of pooling will not solve your problems. At least not for a
> long
> time. When you do that, station will work much better with clients but
> only
> on light load. As soon as usage goes over 500kbit you'll see your
> station
> going down....
>
> Still waiting for any solution from karlnet about this...
> There is also interesting problem with new karlnet boards, working with
> kalrnet to see what exactly the problem is. It seems that traffic from
> wireless to Ethernet port is not being transferred well resulting in
> poor
> outgoing traffic performance. Problem with MTU or
> 'SuperPacketAggregation'?
> If later, both Turbocell main features are flawed??!
>
> greetings, Nenad
> www.madnet.co.yu
>
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