Detecting link state in dhcpc...

[Denis Vlasenko]

On Monday 12 February 2007 18:00, MatthewLCreech at eaton.com wrote:
> busybox-bounces at busybox.net wrote:
> > 
> > In my case, I am talking about an embedded device that is
> > essentially useless if not on a network also, so I definitely
> > want to be able to take some action if the link goes down as
> > well.  In my case it happens that I need to do this in static
> > IP case also, so I have a link monitoring daemon that takes
> > care of it, rather than adding it to DHCP.
> 
> FWIW, I also have an embedded device which needs this kind of behavior,
> so I used netplugd:
> 
> http://www.red-bean.com/~bos/
> 
> The netplugd script that gets run when the carrier state changes either
> starts/kills udhcpc, or it runs the appropriate ifconfig commands,
> depending on how the device is configured.  It's an easy alternative to
> modifying BusyBox, and also keeps things consistent when you're not
> using DHCP.  (Which sounds like it might be similar to what you've
> already done for the static case)

That's a good solution: add netplugd to bbox as a new applet.
--
vda