Re: Selecting a "better" offer from two DHCP servers
Shahid Mahmood
Wed May 04 14:16:37 2016
On Wed, May 4, 2016 at 10:04 AM, Roy Marples <roy@xxxxxxxxxxxx> wrote:
> On 04/05/2016 14:38, Bernd May wrote:
> > Hmm,
> >
> > if I understand section 17.1.3 of RFC 3315 correctly, this should be
> > possible to express simply as a preference for option in an
> > advertisement. Depending on the time the DHCP-Server takes, it would
> > have to arrive inside the time of the first collection interval, i.e.
> > one second according to the rfc, if the other server is sending its
> > advertisement also and arrive before all other advertisements in the
> > case where no advertisements where received in the first intervall.
> >
> > An alternative might be to use the preference option though this would
> > not resolve the problem if two or more servers were using the same
> > preference value.
>
> That is for DHCPv6, not DHCPv4 :)
> Sadly, dhcpcd does not implement that option yet.
>
> Roy
>
> Good to know nonetheless. But our requirement applies to both ip versions.
-shahid
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