From: Robert Hancock <hancockrwd@gmail.com>
To: Chris Friesen <chris.friesen@genband.com>
Cc: David Miller <davem@davemloft.net>,
johnmusbach1@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: Handling of multiple DHCP OFFERs
Date: Mon, 03 Oct 2011 19:12:20 -0600 [thread overview]
Message-ID: <4E8A5D74.7000507@gmail.com> (raw)
In-Reply-To: <4E8A46E9.2070509@genband.com>
On 10/03/2011 05:36 PM, Chris Friesen wrote:
> On 10/03/2011 05:21 PM, David Miller wrote:
>> From: John Musbach<johnmusbach1@gmail.com>
>> 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.
next prev parent reply other threads:[~2011-10-04 1:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-03 23:18 Handling of multiple DHCP OFFERs John Musbach
2011-10-03 23:21 ` David Miller
2011-10-03 23:36 ` Chris Friesen
2011-10-04 1:12 ` Robert Hancock [this message]
2011-10-04 8:03 ` Bernd Petrovitsch
2011-10-04 14:31 ` Chris Friesen
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