Re: IP swapping for network restart or reboot for ubuntu client

We do run a primary fail-over setup and haven't tested it again as  a
standalone host.





On Tue, 14 Jun 2022 at 15:41, Kraishak Mahtha <[email protected]>
wrote:

> Hi Wayne,
>
> Thanks for sharing the link,
>
> I have observed that I am seeing this IP switch only if it is in a
> primary-failover mode whereas if we run the DHCP server standalone we do
> not see any issue and the IP is being constant, by any chance did you try
> this case
>
> On Tue, Jun 14, 2022 at 2:56 PM Kraishak Mahtha <[email protected]>
> wrote:
>
>> * Observed in the Ubuntu version 20.04
>>
>> On Tue, Jun 14, 2022 at 2:39 PM Kraishak Mahtha <[email protected]>
>> wrote:
>>
>>> Hi all,
>>> We are experiencing weird behavior with ISC's DHCP version 4.4.2. When
>>> the Wintel(windows) clients use the ISC DHCP servers that are operating in
>>> a primary-failover mode, then reboot or a renewal does not see any address
>>> shuffle. When the Ubuntu clients use the ISC DHCP servers, we are observing
>>> a periodic IP Address shuffle upon a reboot. This shuffling is not observed
>>> when we are using a Microsoft DHCP solution. We are interested to know if
>>> this issue is a known issue in the ISC database. If there is a workaround
>>> to resolve this issue, please let us know.
>>>
>>> Thanks in Advance
>>>
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