fixed-address leases in dhcpd.leases

[Andrew Bell]

Ah, now I see.  Yes, I was thinking of fixed addresses, not reserved
leases.  I honestly didn't even know that was a thing until now.

On Mon, Mar 30, 2020 at 11:27 AM Simon Hobson <dhcp1 at thehobsons.co.uk>
wrote:

> Andrew Bell <andrew at poscomp.ca> wrote:
>
> > Do you want to reserve an address inside the dynamic pool?  I'm not sure
> if that works, honestly, but I just set aside space in each subnet for
> reserved addresses and make the pool smaller.
>
> Reserved addresses are different to fixed-addresses.
>
> As you point out, fixed-addresses should not be part of any pool.
>
> A reserved address *IS* part of a pool. Other than having the reserved
> flag set, it is otherwise identical to any other dynamic lease. It goes
> through the same lifecycle as any other dynamic lease - leases expire if
> not renewed - the only difference being that the address will not be
> re-allocated to any other client. So in that respect it's ideal for what
> the OP wanted since the lease status can be read by any of the lease state
> reporting tools.
> As already mentioned, it's a bit of an ugly duckling in terms of
> management. I know it can be set by manually editing the leases file,
> literally by adding a "reserved;" statement to a lease. I don't know if it
> can be set via OMAPI.
>
> Simon
>
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