Re: [gentoo-user] eth0 fallback configuration is ignored

[Dan Farrell <dan@spore.ath.cx>]

On Sun, 28 Oct 2007 12:19:13 +0000
Mick <michaelkintzios@gmail.com> wrote:

> On Saturday 27 October 2007, Dan Farrell wrote:
> > On Sat, 27 Oct 2007 21:58:11 +0930
> >
> > Iain Buchanan <iaindb@netspace.net.au> wrote:
> > > is it by any chance assigning you a 169... address?  Did you
> > > recently upgrade dhcpcd to ... around ... 3.1.6 I think?  Anyway,
> > > it now tries "zeroconf" or whatever it's called, to give you an
> > > address when there's no server around.  Personally I don't like
> > > it, but you can decide :)
> >
> > This behaviour is called APIPA (Automatic PRivate IP Addressing)
> > (from /etc/conf.d/net.example):
> > # APIPA is a module that tries to find a free address in the range
> > # Automatic Private IP Addressing (APIPA)
> > # use APIPA to find a free address in the range
> > # 	169.254.0.0-169.254.255.255
> >
> > It provides DHCP-like functionality without a DHCP server.  Pretty
> > useless, unless you use it to configure all your IPs or a route for
> > that subnet.
> 
> Even worse, if your DHCP server comes up later, your PC will still
> hold on to APIPA - not sure how this feature can be of any use to be
> honest, but most devices these days from MS Windows to PDAs tend to
> behave like this.

I was also wondering what kind of useful purpose this would serve.  I
am guessing that it would be enough for a network on one broadcast
domain, if there is no need for any routing information.  
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