On ons, 2011-09-28 at 16:23 +0000, Camaleón wrote:
> On Wed, 28 Sep 2011 10:04:22 +0200, Niklas Jakobsson wrote:
>
> (...)
>
> > I have tried setting the keyword duplicates to both allow and deny
> > without any success.
>
> I think it should be "deny duplicates;" in this case.
>
> > From what I can tell duplicates makes the
> > dhcp-server ignore the UID, which is exactly what I want. Am I using it
> > wrong or is there some bug here?
>
> Mmm... man page (man 5 dhcp.conf) says this stanza can work with either
> client UID "and/or MAC" address...
>
> ***
> Host declarations can match client messages based on the DHCP Client
> Identifer option or based on the client's network hardware type and MAC
> address. If the MAC address is used, (...)
> ***
>
> ... okay, so I wonder how can you tell your dhcp server to use the MAC
> address instead the UID to identify the client request because the man
> page does not seem to provide any clue over it :-?
>
> I say this because it seems the client is sending the UID at install time
> but not once the system boots so maybe this is what confuses the dhcp
> server ("same MAC address but differenet UID → give that client another
> lease").
>
> > This used to work fine with lenny so assume something has changed with
> > the dhcp-client in the installer for squeeze.
> >
> > If I can not fix the dhcp-server to behave correctly can I modify the
> > initrd to make the dhcp-client in the installer to not send an UID?
>
> There is also the "one-lease-per-client" flag, you could try by setting
> this to "on", although I'm not sure if it will work.
>
> Greetings,
>
> --
> Camaleón
>
>
Thanks for your answer.
I have tried both "deny duplicates" (again) and one-lease-per-client,
none of the seems to do the trick.
/Nico
--
Niklas Jakobsson - SysAdmin @ Netnod
mailto:n...@netnod.se
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