INFORM not working properly?

David W. Hankins David_Hankins at
Mon Apr 2 04:17:16 UTC 2007

On Sat, Mar 31, 2007 at 04:34:32PM -0400, Paul Keck wrote:
> A couple of questions-
> - when might the INFORM/host statement thing get implemented?

Far enough out I couldn't even guess.  We have a full queue ahead
of us already.  We've known about this when we started 3.1.0 work,
so hopefully we could get it into the next feature release after
the first DHCPv6 one.

> - is there a workaround that could be suggested so that a host trying to get
> DNS from an INFORM will get something other than the global default?  I'd be
> willing to juggle my config syntax to meet the need.

Sure, use subclasses instead of or in addition to the host records.

Clients are always classed, so they work on INFORMs too.

You can read about those in 'man dhcpd.conf', search forward for
"SUBCLASS".  If you need help after that, come on back.

ISC Training!  training at
Washington DC area, April 16-20 2007.  DNS & BIND, DDNS & DHCP.
David W. Hankins	"If you don't do it right the first time,
Software Engineer		you'll just have to do it again."
Internet Systems Consortium, Inc.	-- Jack T. Hankins

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