Warning: subnet overlaps subnet
john at iastate.edu
Tue Mar 18 22:02:55 UTC 2008
> > ... We have monitoring software that
> > basically sends DHCPINFORMS at the dhcp server and
> > waits for the acks. This works good for the primary,
> > but the second server never answers because it is
> > not authoritative. ...
> let me quote you the comment on the code that decided to overload
> the 'authoritative;' flag with whether or not to respond to
> /* We don't respond to DHCPINFORM packets if we're not authoritative.
> It would be nice if a per-host value could override this, but
> there's overhead involved in checking this, so let's see how people
> react first. */
> it's been a few years since that comment was written, but it appears
> that you are "reacting" negatively to this author's comments.
> i think the answer hopefully does not involve gymnastics in the subnet
> sources to permit overlapping regions. we should just create a config
> option for this and default to inspecting authoritative in its absence.
Well, if I'm the only one to mention it, I wouldn't
get too worked up about it on just my behalf -- especially
since I've already got a half-dozen other local mods in
dhcpd, so I'm not at all adverse to adding another -- I'll
just always answer INFORMS regardless of the setting of
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