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Re: Wireless roaming/configuration

On Sun, Apr 02, 2006 at 07:41:10PM -0700, Z F wrote:
> Hello everybody,
> I can not seem to figure out how to configure wireless roaming.
> That is, I would like to describe several networks with their WEP keys
> and
> ESSIDs. The goal is that as soon as available network is detected a
> connection is made.

Should be doable.

> It seems to me that waproamd is the right package for the job. Never
> the less, I can not seem to make it work. waproamd gives me this error:
> SIOCGIWRANGE failed: Argument list too longShutdown

I apologise, I don't have any experience with this program.

> I also noticed that latest wireless tools available are v17. However,
> the kernel 2.6.13 provides v18 support. It is not clear if v18 is
> backwards compatible with v17 and if this could be aproblem.

The kernel provides Wireless Extensions (wext) 18, which is different
than wireless-tools version number, but even oldstable has version 23 so
I'm not sure that's what you're talking about.  Are you running stable,
testing, or unstable?

> Also, I saw on waproamd web site that it has been superceeded by 
> wpa_supplicant. This uses WPA and WPA2  method. But I have WEP so what
> should I do? What are the options?

You can use wpa_supplicant for WEP.  I do.  What I did was make the
key-mgmt NONE and set wep_key0 XXXX instead of WPA-PSK or the like.

> One last point, I do not have KDE or GNOME installed. Do I need them
> for
> the wireless configuration or it is possible to do it without it?

It's quite possible to do it from the command line (how I did it), or
perhaps there's apps in GNOME or KDE to do it, I don't know about
them--I just editted /etc/wpa_supplicant.conf and
/etc/networking/interfaces by hand.

> Thanks for your input

To get at your initial question, to choose different networks in
wpa_supplicant, you can just list them in /etc/wpa_supplicant.conf in
your desired order and they will be tried one after another until one
works or they all fail.

Here's a snippet of my /etc/wpa_supplicant.conf:


If you're using unstable's, there's more that's involved in getting
/etc/wpa_supplicant read -- /usr/share/doc/wpasupplicant/README.modes
explains it, or ask.

Christopher Nelson -- chris@cavein.org
What is food to one, is to others bitter poison.
		-- Titus Lucretius Carus

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