[Beowulf] Wireless clusters (Bridging 802.11a)

Karen Shaeffer shaeffer at neuralscape.com
Thu Jan 15 02:20:13 EST 2004

On Wed, Jan 14, 2004 at 09:05:24PM -0800, Jim Lux wrote:
> ----- Original Message -----
> From: "Nathan Littlepage" <nathan at iwantka.com>
> To: "Jim Lux" <James.P.Lux at jpl.nasa.gov>
> Sent: Wednesday, January 14, 2004 7:20 PM
> Subject: Re: [Beowulf] Wireless clusters (Bridging 802.11a)
> > Jim,
> >
> >  Just to add my two cents. Why not create your own AP with a linux
> > distribution thats available. There are many out there that can work on
> > hardware you already have. One that I have used, not in your situation,
> > but as an AP is from NYWireless called Pebble.
> > http://www.nywireless.net/pebble/. An added cent, I use ebtables to
> > screen MAC address to better secure access.
> >
> > Hope that helps in some manner.
> But, then, I'd still need some form of 802.11a wireless interface that's
> supported by Linux. I'd also have to spend some (scarce) time fooling with
> building APs.  I'd rather have a basically off-the-shelf solution. I'm not
> real, real interested in understanding all the subtleties of 802.11 drivers
> under Linux.


I did fool around with Linux hosted 802.11b APs. It is straightforward. I
use the hostap code from:


works like a charm. It's actually fun stuff.

You've pointed out that these prism based systems do not support 802.11a.
Obviously a big problem for you. But, you may not be aware that the
prism chips do support the full range of operating modes, including some
obscure test modes that are not published. That hostap software supports
many of them.

Good luck,
 Karen Shaeffer
 Neuralscape, Palo Alto, Ca. 94306
 shaeffer at neuralscape.com  http://www.neuralscape.com
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