No, this is different. This is point to point, both ends with directional
antennas and only one ABO connecting to APP.
Scott
> Scott,
> Isn't this exactly what we are talking about on the other thread ?
>
> For this discussion AP = Access Point rather than APO etc
>
> AP > client
> Your client does not hear many other client transmissions cos its got
> directional antenna pointing towards AP, or not many clients nearby etc.
So
> when AP transmits, it can hear it no probs, no retries. Good bandwidth
>
> Client > AP
> AP hears all the clients - thats its job. When your client transmits it
> doesn't know that others are also transmitting to it ("hidden nodes" as
far
> as your client is concerned), the AP does not ACK. the packet is retried.
> Poor bandwidth due to retries.
>
> Suggest you check retied packet stats at the client. Does reducing the
> value of RTS help ? Say to 200 ? Need to find the balance possibly
>
>
> ----- Original Message -----
> From: "Scott" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, November 26, 2003 5:22 PM
> Subject: Re: [smartBridges] upload vs download
>
>
> > I really hate "me too" emails but we've experienced the exact same
> > behaviour. I'm wondering how many people have witnessed this happening.
> > This is an ABO to AP link and SimpleNMS shows the following:
> >
> > The AP client table shows RSSI 92% -17dbm and a link quality of
90%
> > The ABO statistics show RSSI 60% -42dbm and link quality 72%
> >
> > If I understand this properly you would _think_ that you would get
higher
> > bandwidth from the ABO to the AP (am I right here theoretically ?) but
> this
> > is exactly the opposite.
> >
> > This is a 14 mile link which is very stable. From the ABO, download is
> over
> > 1Mbps but upload is probably 250kbps.
> >
> > Running 1.4j.6 and 0.01.08
> >
> > Scott
> >
> >
> > > I have seen this also in some cases so you are not alone. Anyone with
a
> > > clue as to what is happening here?
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] Behalf Of shoffman
> > > Sent: Tuesday, November 25, 2003 6:43 PM
> > > To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> > > Subject: [smartBridges] upload vs download
> > >
> > >
> > > Hi all,
> > >
> > > Know this has been discussed several times.. hate to repeat an old
> topic.
> > >
> > > Here is scenario:
> > >
> > > Customer has ABTotal. RSSI 75%, Link quality 95% on its reading.
Long
> > > Preamble, 5 MBps auto (also tried at 11 Mbps auto).
> > >
> > > Frag set at two different levels: 512 and 2336 (off)
> > > RTS set at two different levels (4combos in all): 128 and 2337 (off)
> > >
> > > Ethernet card at 10 - 1/2 duplex
> > >
> > > AP is Cisco 350 - RTS Off, Frag 2336. Signal Strength at 50%.
> > >
> > > In all cases: Download 600-800 kbps, upload (best with RTS off) 36
kbps,
> > > with RTS 8 kbps.
> > >
> > > Network has RTS on all other devices pointed at that AP at 128.
> > >
> > > So... thoughts? We are going to re-terminate...go with an outdoor and
> > > parabolic.. But is this interfernce? SB device see no other signal,
> > > have not sent out an SA yet. All other clients are doing pretty good
on
> > > this network. We will send an SA out to be sure, but still.....
> > >
> > >
> > > Thoughts
> > >
> > > Scott
> > >
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