2009/2/6 Tim <xendis...@inbox.com>:
>
> I have a strange wireless problem which I hope somebody can help me with. I am
> running Mepis 8 RC2 (which is based on Debian Lenny). I am using an Acer
> laptop which has the Intel 2200BG wireless interface which is seen as eth0
> and a Broadcom Nextreme ethernet interface which is seen as eth1.
>
> Since installing mepis on this laptop the wireless has worked perfectly out of
> the box but of late it has developed a problem.
>
> If you let the screen saver run (I am running KDE 3.5.10) when you hit the
> mouse or keyboard to bring the laptop out of the screen saver mode, you find
> that the wireless network has stopped working (try pinging yahoo.com,
> nothing). Now if I ifdown eth1 (the wired interface) the wireless will
> suddenly come back to life. So it seems as though something is sending the
> wireless to sleep when the screen saver kicks in which then allows eth1 to
> become the dominant interface and when the screen saver stops won't allow
> eth0 back on the the network.
>
> What I would like is an option where I can turn eth1 off until I plug a cable
> into it, I know I could blacklist the eth1 driver (which is t3) and then
> modprobe it back in when I wanted to use the wired interface, any thoughts???
>
> Tim

You could use wicd which auto detects wired interfaces, or there is an
option 'allow-hotplug' in /etc/network/interfaces which I've seen
described on this list but not used myself.
http://www.annodex.net/cgi-bin/man/man2html?interfaces

HTH, Peter

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