DHCP problem in a complex scenario with lease events

Matt Causey matt.causey at gmail.com
Wed Nov 11 04:15:46 UTC 2009

Other than omshell being kinda cantankerous, why would you suggest
against using it?  Are there concerns about the stability of the
service whilst using the shell?  I've got several automation bits and
bobs that are using it in production, for operations staff, etc.

If I wanted to try using omshell to reserve the lease, how would I do
that?  I've dropped into the shell, opened the lease (via IP address),
the 'set state = 8'.  When I do the 'update', it gives me an error,
'invalid argument'.



On Tue, Nov 10, 2009 at 5:27 PM, David W. Hankins <dhankins at isc.org> wrote:
> On Tue, Nov 10, 2009 at 03:34:14PM -0800, Matt Causey wrote:
>> Sorry - I just went back and read from these list archives and see
>> that the only way is to hack up the leases file, and start dhcpd
>> again.
>> So, is that info current?  There's no way to do this whilst the daemon
>> is running?  I've got a large number of static reservations (host
>> statements) which are generated from a database.  I'd like these to be
>> in the leases file as 'reserved' leases, and wondered if there was a
>> good way to do this without scripting a leases file hack.  :-)
> Basically, yes.
> You can use OMAPI but I wouldn't recommend it, it is not as easy a
> tool to use as one might like.  If you're in a testing environment,
> you can also use the silly 'infinite-is-reserved' config command that
> auto-reserves the lease for the client if they specify an infinite
> lease time; if you can coax the client into requesting an infinite
> lease time, that is.
> --
> David W. Hankins        BIND 10 needs more DHCP voices.
> Software Engineer               There just aren't enough in our heads.
> Internet Systems Consortium, Inc.               http://bind10.isc.org/
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