Tracking historical lease information

[Scott Baker]

On 01/19/2011 03:05 PM, David Carlin wrote:
> I'm looking for a way to track historical lease information.  For
> example, I want to be able to query a specific IP and time stamp and
> be returned the MAC address which has a lease for that IP at that
> point in time.
>
> I've come across the following logging/tracking solutions searching
> the list archives:
>
> Gluff -http://hans.liss.pp.se/software/gluff
> FindHosts -http://wormhole.anchorageak.net/FindHosts/
> DHCPStatus -http://dhcpstatus.sourceforge.net/
> reportdhcp.pl -http://www.omar.org/opensource/reportdhcp/
> LanLord -http://lanlord.sourceforge.net/
>
> DHCPStatus, reportdhcp.pl and Lanlord seem to be geared toward
> reporting on the status of current leases.  Only FindHosts and Gluff
> appear to have facilities to support historical use.  Gluff seems the
> most promising, but I'm not in control of the DHCP servers to upgrade
> them to 4.1.0+.
>
> Anyone else have any other recommendations before I go the roll your own route?

We roll DHCP logs once a day. I keep the last 60 days worth of logs, and 
if I need to look one up it's just a matter of grepping the log files. I 
guess it depends on how often you need to look up the information.