[Gllug] Is there such a thing as reverse DHCP?

[Jason Clifford]

On Sun, 2011-01-16 at 13:36 +0000, John Winters wrote:
> That is, send it a query giving an IP address and have it return a response with a MAC 
> address - the MAC address to which it would assign the given IP address?

If you are using ISC dhcpd the Net::ISC::DHCPd::Leases perl module (part
of the Net::ISC::DHCPd package) has a find_leased method which can be
used to search based upon the attributes of child leases.

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