[unisog] DHCP lease times, reserved IP addresses, etc

Matt Crawford crawdad at fnal.gov
Fri May 14 13:45:09 GMT 2004

We use short lease times (2 hours, typically) but feed the lease data 
into a database behind a Plone/Zope server where it is accessed by 
software that prepares reports on vulnerabilities or anomalous 
activity.  Then the MAC addresses are checked in the Oracle equipment 
database for machine identity and user/sysadmin info.

Short leases are preferable here because we have a large number of 
people moving their laptops from building to building during a typical 

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