Best way to use dhcpc / avahi without delaying other init scripts ?

[Mark Jackson]

On 30/04/13 20:25, Peter Korsgaard wrote:
>>>>>> "Mark" == Mark Jackson <mpfj-list at newflow.co.uk> writes:
> 
>  Mark> I'm trying (and failing !!) to work out how best to use dhcpc and avahi
>  Mark> together.
> 
>  Mark> Ideally I'd like udhcpc to start up, try to get a lease and, if the
>  Mark> lease request fails, use avahi to get a local ip address.
> 
>  Mark> I have this working, but the dhcp request can taken some time (or even
>  Mark> fail if no dhcp server is present), and I am seeing delays of several
>  Mark> seconds before my other init scripts run.  I have dual ethernet ports
>  Mark> leading to about a 10seconf delay if no dhcp server is present.
> 
>  Mark> To prevent other init scripts from being delayed, udhcpc should
>  Mark> instantly go into background mode (see [1]).
> 
> The normal approach is to use ifplugd (the busybox applet) to run the
> ifup in the background when it detects a link, and not stall the rest of
> the boot process.

Aha ... excellent.

Is there any docs / examples, or should it be (fairly) self-explanatory ?

Mark J.