weird case for IP duplicated on LAN

Sten Carlsen stenc at
Sun Feb 22 20:42:51 UTC 2015

Suggest you look for a ClientID in both hosts, probably the same.

ClientID takes precedence over MAC if present. (There are options to fix

On 22/02/15 19:35, IT Support wrote:
> On 02/20/2015 12:17 PM, IT Support wrote:
>> Hi eveyone. I'm facing a weird case of IP duplicated on my LAN, ISC
>> DHCPd version 4.1.1 running on Debian, this is the case. For example
>> user A already got an IP address from dhcp server ( 
>> 'till here everything goes ok.  Then user B get connected to the LAN,
>> asking for an IP address to dhcp server, assigning the same IP address
>> to the user A ( creating an IP address conflict.
>     Please someone to throw me a bone here?
> Thanks in advance.
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> dhcp-users mailing list
> dhcp-users at

Best regards

Sten Carlsen

No improvements come from shouting:


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