lease limit 1 and Apple Mac Computers creates duplicate IP address

Chris Buxton clists at
Tue Sep 17 21:08:47 UTC 2013

On Sep 17, 2013, at 12:46 PM, Matt Jenkins <matt at> wrote:

> Any known work around? Like have the DHCP server respond with no ip available instead of no response?

I don't know. I just know that I've been shown the described behavior by an Apple networking engineer. It is intentional.

Chris Buxton

> On 09/14/2013 12:26 PM, Chris Buxton wrote:
>> On Sep 12, 2013, at 4:11 PM, Matt Jenkins <matt at> wrote:
>>> I can reproduce both of the following situations. All result in a duplicate IP address issues. All appear to be the fault of Apple Mac OS. Has anyone else ever seen this or found a fix for it?
>>> 4. Apple computer connects and is unable to get a lease. It then assigns itself the original IP address it had. Now there is an IP conflict.
>> Yup. It's an Apple thing.
>> Regards,
>> Chris Buxton
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