Dud wireless internet connection (Brian Wootton)

marc gmane at auxbuss.com
Wed Apr 1 17:49:14 UTC 2009

Brian Norman Wootton said...
> >
> > I don't have a network connection, I don't have Knetworkmanager, I
> > > don't have WICD - so I guess I'm a bit stuffed.
> >   
> Sorry, I wasn't aware of the fact that you have no internet access with 
> that machine. So maybe you could modify the 
> file /etc/network/interfaces (as root). According to 
> <http://www.debian.org/doc/manuals/reference/ch-gateway.en.html> it 
> should look like this:
> auto wlan0
> iface wlan0 inet dhcp
>   wireless-essid myessid
>   wireless-key 123456789e
> Also sorry for the slow reply, I've been away and then faffing around installing
> knetworkmanager.
> knetw... found the wi-fi card OK(wlan0), I set it up with SSID, WEP IPs and all
> seemed right - except that the wireless would not connect. I re-booted the system 
> from cold and ... I got a green network icon in the system tray - but, but, but
> neither browsers or emails would connect until I de-activated wlan0 then eth0 con-
> nected immediately and browsers, etc started working.Looking at wlan0 with KnetDocApp
> I see that link quality is wandering about between 2% and 12% which explains why
> knetw.... says it's disconnected. I guess I have a duff PCI wi-fi card or it's needs
> setting up or a different driver. Knetworkmanager seems to be doing its best.
> I tried your above suggestion in ./interfaces - it stopped all networking dead in its
>  tracks! This is what I've now got in /etc/network/interfaces, which at least doesn't 
> seem to cause any harm:
> ----------------------------------
> auto lo
> iface lo inet loopback
> # suggested mods 1-04-09
> #auto wlan0
> #iface wlan0 inet
>   wireless-essid BTHomeHub-xxxx
>   wireless-key xxxxxxxxxx
> #
> ----------------------------------

you need to remove the comment from:

  #iface wlan0 inet

and from:

  #auto wlan0

if you want it to autostart.


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