ISC DHCP / Swatch question

[Perrymon, Josh L.]

Greetings,

I'm using ISC DHCPD bound to a segmented interface on a FREEBSD 5.x box.
I have an open access point on the interface with a private non-routable
subnet.

Basically, 
When someone hits the AP I have SWATCH tail the dhcp.leases file and send me
an email.


Question:
I'm seeing the same entry for a client every 3-4 minutes. Like it's
refreshing.

Is there a switch I'm missing so It wont refresh unless a new client pulls a
lease?

Thanks!




Joshua Perrymon
Sr. Network Security Consultant
BE&K Information Security Dept.
2000 International Park Drive
Birmingham, Al 35243
Voice ( 205 ) 972-6745

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