Speed up DHCP during boot

Daniel Stone daniel.stone at canonical.com
Sun Sep 19 09:04:41 UTC 2004

On Sun, Sep 19, 2004 at 06:57:41PM +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.

Whoa, too cool.  Could we seed this for Hoary?

Daniel Stone                                        <daniel.stone at canonical.com>
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