Re: nm-applet suddenly offers no options

[Dan Williams <dcbw redhat com>]

On Wed, 2007-02-28 at 19:10 -0500, Ryan Novosielski wrote:
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> Peter Flynn wrote:
> > No, all wireless cards I have ever seen automatically create a wifi0 
> > *and* a wlan0 device when you insert them (this is a PCMCIA card). 
> > Before using Ubuntu, I'd never seen or heard of ath0. I'm unclear why 
> > wifi cards need two devices, but they're always present any machine I've 
> > seen.
> 
> ath0 is from MadWifi, after the "Atheros" chipset. I'm not sure if other
> cards now use it too, but this is what I've seen so far.

The device name is specified by the driver.  When a driver registers two
devices, it usually registers an ethernet device (wlan0 or eth0) and a
raw 802.11 device for tools like airsnort and frame sniffers (wifi0).

Dan