Don't use the same spectrum for backhaul as you to your PtMP setup.
2nd Have twice the bandwidth that you'd like to deliver, available in the
radio. You can't go wrong. (yeah...so you still could....it's just a good
rule though, don't break my arm here....)
-bob
----- Original Message -----
From: "Bryan" <blsutton@airnetwifi.net>
To: "Karlnet Mailing List" <karlnet@WISPNotes.com>
Sent: Wednesday, November 26, 2003 10:24 PM
Subject: Re: [Karlnet] Transfer Rates
> Interesting - I was just getting ready to purchase KN-200s to resolve
> that very same issue, I was using Orinoco AP2000s and having same
> problem. I will hold hold off pending a resultion to your problem - no
> sense spending the money for new equipment with same problem.
>
> I proved to Proxim that it wasn't a network congestion problem or a
> problem with the internet speed tests by:
> 1. Setting up an FTP server internal on my network.
> 2. Shutting off all customers - this wasn't much of an issue as I was
> testing network and only had people that were willing to use for free,
> under the understanding that it could go down at any time.
> 3. Repeatedly DLing & ULing a 120meg file from server to laptop & back,
> at vatious points in the network while watching with DU Meter.
>
> As for your Ping test - it would seem to me that if you are Rxing ~3.4
> mbps ROUND TRIP - since thisis half duplex the one way should be 2x
> that or 6.8mbps...?????
>
> Personnally - I don't give rat's @ss about any latency tests or any
> other built in tests - Those can be manipulated by the writer of the
> software to show favorable results. The only thing a customer, and
> therefore myself, cares about is that if they are being sold a service
> at particular speed, they get it. The only way to prove that is to have
> an internal network speed test of some sort.
>
> Here what they told me would support upto 1mbps thruput to customers at
> any point in the network (using TC for backhaul on one radio -the other
> radio to serve customers)
>
>
> Anyone using a network in similiar config, i.e. 4 wireless backhauls,
> that can verify this?
>
> Bryan
>
>
> jna wrote:
>
> >Hello Group,
> >
> >I am trying to diagnose bad transfer rates in my network and started at
> >square 1. We have an RG1000 SAT shooting a 3MB/S feed to a central relay
> >tower only about 1 mile from the datacenter (-47db Signal). The central
> >relay is running on kn-200 BASE. When I connect to the relay point via my
> >laptop I am lucky to see 800K to 1.2MB/S over the net transfers. Using
the
> >ping fill utility I measure that the transfer rates from the RG1000 SAT
to
> >the KN-200 is an average of 3.2 with a max of 3.6MB/S over the air.
> >According to the ping fill this should should be sufficent to cary my
3MB/S
> >feed but I am not seeing it at the central relay not even half of it.
> >
> >I asked Karlnet support about it and they said that is normal because the
> >ping fill shows round trip so my 3.2 to 3.6MB/S transfer to the relay
point
> >should on support 1.6 to 1.8MB/S one way (Even though there not even
seeing
> >that much). I questioned this and never received a reply back. On our
main
> >tower which is still on a T1 I have my home connection to the main tower
via
> >ping fill shows my average transfer time of 1,271,009 and max of
1,484,160.
> >Now if we took the half duplex analogy to mean this result is round trip
and
> >my connection according to ping fill and karlnet should only handle
630K -
> >742K either up or down, correct? But if this is true then why is it I can
> >register on the bandwidth testing sites using this same connection double
> >that actually about what the ping fill says? My average over the net
> >connection rating is 1.2MB/S ... Does anyone else have any information on
> >the actuall ping fill and if it even works right at all? If the above is
> >true then my 3.2-3.6MB/S link to the relay is accurate should get me my
> >3MB/S feed there with no problem.
> >
> >I cant get answers from karlnet support, does anyone have a clue here?
> >
> >Is anyone else using Karlnet for backhauling locations? Are you able to
> >backhaul more than a T1?
> >
> >Thank You,
> >John
> >
> >_______________________________________________
> >Karlnet mailing list
> >Karlnet@WISPNotes.com
> >http://lists.wispnotes.com/mailman/listinfo/karlnet
> >
> >
> _______________________________________________
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> Karlnet@WISPNotes.com
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>
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