Speed up DHCP during boot

John Hornbeck hornbeck at freeshell.org
Sun Sep 19 15:33:22 UTC 2004

On Sun, 2004-09-19 at 18:57 +1000, Chris Edwards wrote:
> * Ingo Huber (dont.spam at web.de) wrote:
> > I am running ubuntu on a laptop, that contains a pci lan card and, from 
> > time to time, wireless pcmcia.
> > 
> > Both devices are recognized during boot, but dhcp connection tests waste 
> > a lot of time, if a device is not connected at all. If I am on wireless 
> > only, f.e., the boot dhcp procedure takes a bout 10 seconds to ask for 
> > ethernet dhcp, until it gives up. If I am on lan, and have'nt my 
> > wireless card plugged in, the same happens asking for the wlan's dhcp. 
> > Needless to say, there is never a need to have both connected. So 
> > booting takes it's time asking for dhcp.
> ifplugd is probably what you're looking for. If you set that up, and
> disable the automatic configuration of the network interfaces, then
> it'll take care of it for you, only enabling them if it detects a link.
> waproamd does the same sort of thing for wireless interfaces.
> -- 
> Chris Edwards <chris at chris-edwards.org>
How would I go about disabling the automatic configuration of the
network interfaces on boot? I know this stuff on gentoo but not debian.

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