preupgrade F16 > F17: duplicate dhcp entry?

sean darcy seandarcy2 at gmail.com
Wed Aug 22 23:06:26 UTC 2012


On 08/22/2012 01:43 PM, Tim wrote:
> On Wed, 2012-08-22 at 12:29 -0400, sean darcy wrote:
>> I've got a running F16. The DHCP server gives it an address of
>> 10.10.10.100 based on the MAC address. I'm trying to use
>> preupgrade-cli to upgrade to F17.
>>
>> Preupgrade-cli works fine on F16. Then when I reboot into the upgrade,
>> it fails saying it finds a duplicate entry for the dhcp address of
>> 10.10.10.100.
>>
>> Same MAC. What's the problem?
>
> Sounds like the prior lease wasn't released while shutting down and
> rebooting.
>
> How's your DHCP server assigning the IP, have you fixed it to that IP,
> or that's just the currently used one?
>
> If you fix an IP to a MAC, then it should assign the same IP to that
> MAC, every time.  But, if it's auto-assigning some IP to some MAC,
> booting up with a different OS may be seen by the server as a different
> device.  The MAC isn't the only unique-identifier used by a DHCP server.
>
> What's your DHCP server running on?
> What says it finds a duplicate entry?  (The DHCP server, the DHCP client
> in the upgrade?)
>

The ip was tied to the MAC, using dhcpd on a server. Fixed it by just 
deleting the entry in dhcpd.

Still odd.

sean



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