An unthrottled speed test to your NOC with something
like this.

www.kistech.com/speedtest/speedtest.zip

If things are working the way that 802.11b is supposed
to, you should get around 3.5-4 megabit or more.

Kevin Summers
KISTech Internet Services Inc.
www.kistech.com




> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] Behalf Of Wayland Sothcott
> Sent: Monday, October 13, 2003 5:11 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [smartBridges] Local traffic swamping with hub (MRTG)
>
>
> What would be a good test to see if my switch is working OK with the
> airBridge?
>
>
> ----- Original Message -----
> From: "Lars Gaarden" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Saturday, October 11, 2003 1:51 AM
> Subject: Re: [smartBridges] Local traffic swamping with hub (MRTG)
>
>
> > Blazen Wireless wrote:
> > > Waykand,
> > >
> > > Just my 2 cents your also going to see problems with a cheap switch
> unless
> > > you can for sure get in and force it to 10 meg 1/2 duplex! the
> Airbridges
> > > don't play nice with switches that auto sense. I had to go
> out and buy a
> 12
> > > port Cisco router that I could log into and set to the correct setting
> and
> > > if you go back there are many threads of people seeing problems with
> packet
> > > loss, slow throughput and many other problems all because an auto
> sensing
> > > D-link, Linkysys and many other cheap switches always sense
> the AB as 10
> meg
> > > FULL duplex.
> >
> > For whatever it is worth (2 cents?).
> >
> > It looks like any autoconfig ethernet device will config to 10Mbps
> > full duplex
> > if connected to an aP(P(O))/aB(O/T).
> >
> > In at least *some* configurations, this will give heavy (5-20%) packet
> > loss
> > in the upstream direction. Error counters on the ether and wireless side
> > does not show this packet loss (lost/overrun/failed/aged/etc
> > counters). If the
> > device connected to the radio is set to 10Mbps half duplex, the problem
> > disappears. Why? I have no idea. All I know is that I have to hard
> > code the
> > ethernet ports on my routers/firewalls (mainly rtl8139/a few intel
> > 82558 eth
> > chipset) to 10/hdx to avoid the problem.
> >
> > I asked my distributor to try to reproduce the problem in the lab, but
> > they
> > didn't find any problems with 10/fdx. So this is kind of a
> skeleton in the
> > closet - some times 10/fdx works fine, some times it gives heavy
> > packet loss.
> >
> > It could be a link layer problem - i.e., some ethernet chips don't
> > work very
> > well with the chip in the radios but only in fdx mode, it could be an
> > ethernet
> > driver problem, it could be a timing problem with running the radio
> > eth port
> > fdx when the wireless side work load is too high (the dual core
> atmel chip
> > runs both the wireless and eth MACs). Pretty much impossible to debug
> > unless
> > you have debug/devel versions of the radio fw and eth driver on
> the other
> > end of the cable and equipment to monitor the ethernet phys/link level
> > signals.
> >
> > --
> > LarsG
> >
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