Leasequery and Fixed Addresses

[Andre Schubert]

Hi all,

iam playing a little bit with ISC DHCP 3.1.2.
Iam interested in DHCPLEASEQUERY in particular.
If i have understood everything right, ISC DHCP could only
answer the DHCPLEASEQUERY if a dynamic lease is found in the
leases database and does not work if there is a host-statement
with a fixed-address.

Because i need the DHCPLEASEQUERY to work correctly with fixed-addresses
i have played a litte bit and got something to work like this:


class "00:11:22:33:44:55" { match if substring(hardware,1,6) = 00:11:22:33:44:55; }

subnet 192.168.248.0 netmask 255.255.255.0 {
    pool {
        range 192.168.248.1;
        allow members of "00:11:22:33:44:55";
    }
}


It works, but i dont really know if this could has some sode-effects.
Or could this be a performance-killer if i need 200 static addresses assigned.

It would be great if someone with more knowledge of ISC DHCP than me,
could tell his opinion about this use case.

Best Regards,
Andre
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