Re: Handling of multiple DHCP OFFERs

[Robert Hancock]

On 10/03/2011 05:36 PM, Chris Friesen wrote:
> On 10/03/2011 05:21 PM, David Miller wrote:
> > From: John Musbach<johnmusbach1@xxxxxxxxx>
> > Date: Mon, 3 Oct 2011 23:18:06 +0000 (UTC)
> >
> > > Hello, I am configuring a network that'll have multiple DHCP servers
> > > and I was wondering how Linux handles receiving multiple DHCP OFFERs?
> > > More specifically, how does it choose which one to prefer and how long
> > > will it wait for a answer from a preferred server if the other server
> > > answers first? Thanks.
> >
> > There are multiple userspace implementations of DHCP, and the kernel
> > does not usually get involved at all. You'll therefore have to ask
> > the folks who write and maintain the various DHCP implementations.
>
> What about netbooting? Or are you expecting people to use initramfs with
> a userspace implementation?
>
> Chris

Normally with PXE boot it's the PXE ROM that initially gets the IP 
address. After the kernel boots up, userspace normally repeats the process.
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