Duplicated leases, same IP and same MAC

arun.sasi1 at wipro.com arun.sasi1 at wipro.com
Wed Sep 21 09:37:05 UTC 2011

I don't thing it is normal scenario... if the older lease is not
expiring you definitely will face insufficient IP in the network...





From: dhcp-users-bounces+arun.sasi1=wipro.com at lists.isc.org
[mailto:dhcp-users-bounces+arun.sasi1=wipro.com at lists.isc.org] On Behalf
Of carlos jorge
Sent: Wednesday, September 21, 2011 2:54 AM
To: dhcp-users at lists.isc.org
Subject: RE: Duplicated leases, same IP and same MAC


So if it's normal, and like in memory the DHCPd had 2 lease for the same
IP and MAC (tested via omshell), how can i use OMAPI/omshell to get a
lease in this condition?

Thanks to all,

> From: Bruce.Hudson at Dal.Ca
> Subject: Re: Duplicated leases, same IP and same MAC
> To: dhcp-users at lists.isc.org
> Date: Tue, 20 Sep 2011 16:33:31 -0300
> > It's normal to have more than one lease for a client/IP. The leases
> > file is a "log file" - all updates are done by appending a new entry
> > on the end and so it's normal to have multiple entries - though I'm
> > surprised to see them with exactly the same timestamp.
> The second lease entry had an "atsfp" entry added to it; which I
> seem to recall is related to failover. 
> --
> Bruce A. Hudson | Bruce.Hudson at Dal.CA
> ITS, Networks and Systems |
> Dalhousie University |
> Halifax, Nova Scotia, Canada | (902) 494-3405
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