Events and DHCPv6

Tue Feb 14 14:36:47 UTC 2012

Chuck, 

Thank you for the reply. I have sent this to both dhcp-bugs and dhcp-suggest just now. 

----- Original Message -----

> From: "Chuck Anderson" <cra at WPI.EDU>
> To: dhcp-users at lists.isc.org
> Sent: Tuesday, February 14, 2012 9:30:38 AM
> Subject: Re: Events and DHCPv6

> After your messages, I tested "on commit" with DHCPv6. I agree that
> it doesn't work.

> If you want to better reach developers, perhaps filing a bug at
> dhcp-bugs at isc.org or a suggestion at dhcp-suggest at isc.org would be
> better. I might just do that myself for this one.

> In fact, I'll probably look into the code myself and try to fix
> this/add this functionality, because it is also used in my
> environment
> for tracking leases in our NetMon database.

> On Tue, Feb 14, 2012 at 09:14:24AM -0500, perl-list wrote:
> > Can anyone confirm that these messages are being delivered to the
> > mailing list? Please respond if you see this message.
> >
> > ----- Original Message -----
> >
> > > From: "perl-list" <perl-list at network1.net>
> > > To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> > > Sent: Monday, February 6, 2012 9:02:50 AM
> > > Subject: Re: Events and DHCPv6
> >
> > > Are there no developers on the list anymore who could comment on
> > > this? Surely someone knows if the 'on' events are still definable
> > > as
> > > user functions or if this is a bug that it does not function
> > > (4.2.3p1). I have asked the question in as many ways as I could
> > > think of...
> >
> > > ----- Original Message -----
> >
> > > > From: "perl-list" <perl-list at network1.net>
> > >
> > > > To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> > >
> > > > Sent: Friday, January 27, 2012 9:12:30 AM
> > >
> > > > Subject: Re: Events and DHCPv6
> > >
> >
> > > > On some man page, I read that ddns updates use the events.
> > > > Since
> > > > ddns
> > > > is supported in DHCPv6 (as far as I can tell) does that mean
> > > > events
> > > > are supported as well? Is it a bug that statements such as
> > > > this:
> > >
> >
> > > > on commit {
> > >
> > > > log(info,"I committed a lease");
> > >
> > > > }
> > >
> >
> > > > do nothing on a running ISC DHCPv6 server (4.2.3p1)?
> > >
> >
> > > > ----- Original Message -----
> > >
> >
> > > > > From: "perl-list" <perl-list at network1.net>
> > > >
> > >
> > > > > To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> > > >
> > >
> > > > > Sent: Friday, January 20, 2012 2:45:08 PM
> > > >
> > >
> > > > > Subject: Re: Events and DHCPv6
> > > >
> > >
> >
> > > > > Just in case there is some confusion, I'm referring to the
> > > > > Reference:
> > > > > Events as defined in man 5 dhcpd.conf
> > > >
> > >
> >
> > > > > REFERENCE: EVENTS
> > > >
> > >
> > > > > There are three kinds of events that can happen regarding a
> > > > > lease,
> > > > > and it is possible to declare statements that occur when any
> > > > > of
> > > > > these events happen. These events are the commit event, when
> > > > > the
> > > > > server has made a commitment of a certain lease to
> > > >
> > >
> > > > > a client, the release event, when the client has released the
> > > > > server
> > > > > from its commitment, and the expiry event, when the
> > > > > commitment
> > > > > expires.
> > > >
> > >
> >
> > > > > To declare a set of statements to execute when an event
> > > > > happens,
> > > > > you
> > > > > must use the on statement, followed by the name of the event,
> > > > > followed by a series of statements to execute when the event
> > > > > happens, enclosed in braces. Events are used to imple-
> > > >
> > >
> > > > > ment DNS updates, so you should not define your own event
> > > > > handlers
> > > > > if
> > > > > you are using the built-in DNS update mechanism.
> > > >
> > >
> >
> > > > > The built-in version of the DNS update mechanism is in a text
> > > > > string
> > > > > towards the top of server/dhcpd.c. If you want to use events
> > > > > for
> > > > > things other than DNS updates, and you also want DNS updates,
> > > > > you
> > > > > will have to start out by copying this code
> > > >
> > >
> > > > > into your dhcpd.conf file and modifying it.
> > > >
> > >
> >
> > > > > ----- Original Message -----
> > > >
> > >
> >
> > > > > > From: "perl-list" <perl-list at network1.net>
> > > > >
> > > >
> > >
> > > > > > To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> > > > >
> > > >
> > >
> > > > > > Sent: Thursday, January 19, 2012 8:10:31 AM
> > > > >
> > > >
> > >
> > > > > > Subject: Re: Events and DHCPv6
> > > > >
> > > >
> > >
> >
> > > > > > Folks,
> > > > >
> > > >
> > >
> >
> > > > > > Has anyone experimented with the 'on' as pertains to
> > > > > > DHCPv6?
> > > > > > Does
> > > > > > anyone have any information? Perhaps a developer could
> > > > > > comment
> > > > > > in
> > > > > > regards to this? We use this functionality to generate
> > > > > > custom
> > > > > > log
> > > > > > messages in DHCPv4. We really need to be able to do similar
> > > > > > in
> > > > > > DHCPv6.
> > > > > > ----- Original Message -----
> > > > > > > From: "perl-list" <perl-list at network1.net>
> > > > > > > To: "Users of ISC DHCP" <dhcp-users at lists.isc.org>
> > > > > > > Sent: Friday, January 13, 2012 1:43:36 PM
> > > > > > > Subject: Events and DHCPv6
> > > > > > > Folks,
> > > > > > > Are there new event keywords for DHCPv6? I have not seen
> > > > > > > anything
> > > > > > > in
> > > > > > > the man pages either new or saying that the old events do
> > > > > > > not
> > > > > > > apply
> > > > > > > to DHCPv6.
> > > > > > > For example, this statement:
> > > > > > > on commit {
> > > > > > > log(info,"I committed a lease");
> > > > > > > }
> > > > > > > does nothing in the case of DHCPv6 address allocation
> > > > > > > events.
> > > > > > > Is there some new method, or are events just not
> > > > > > > supported
> > > > > > > yet
> > > > > > > in
> > > > > > > DHCPv6?
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