lease problem

sthaug at sthaug at
Sat Jul 28 07:33:44 UTC 2012

> The ISC server uses the Client-ID as the primary database key if one 
> is supplied, and only falls back to the MAC (hardware) address if 
> there is no Client-ID. So the two systems are different clients as 
> far as the server is concerned.

Note also that this behavior is explicitly spelled out in the RFC.
ISC DHCP is simply following the RFC.

Steinar Haug, Nethelp consulting, sthaug at

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