Subject: RE: ray0 and nwid
To: Wolfgang Rupprecht <firstname.lastname@example.org>
From: Martin Husemann <email@example.com>
Date: 02/19/2000 09:51:29
> Even when I had all 4 cards within 3 meter of each other, they formed
> 2 cliques. Eg. computers A and B can only ping each other and
> computers C and D could only ping each other. It wasn't till I did a
> few reboots that they all talked on the same net. I *think* it was
> the ifconfig up/down that did the trick.
Hmm, how much is "a few"? I've powered down all systems multiple times and
they still don't talk. All worked well before I changed the nwid.
Are you using any kind of Windows on one of your machines? This may be an
incompatibility when passing the NWID to the firmware?
> I wonder what exactly is the nwid? Is it a plaintext "password" that
> anyone can snoop from the airwaves? Is it even worth setting this to
> something other than the default?
I thought this was the seed to the random number generator used to decide
which frequency to hop to next, but I can't remeber how I got that
impression. In fact I know nothing about how 802.11 works.