DHCP4.0.0a1 Release notes Question

chinmaya sn (chins) chinmaya at gmail.com
Wed Jun 4 20:34:43 UTC 2008


fixed-address6 is also not working for me .. i guess i have to jump into
code ..
Tom, if you don't mind, can you please tell me which function in dhcpv6.c
you had to
change?

Thanks
Chinmaya

On Thu, May 29, 2008 at 8:44 AM, Troy Herr <therr at broadcom.com> wrote:

> This behavior didn't work in my environment either with 4.0.0.  I added
> a kludge to server/dhcpv6.c that provides the needed functionality in my
> environment.  The code change is relatively small but I lack sufficient
> understanding of the backend to know whether there are any real side
> effects occurring.
>
> Essentially when a non-static lease is encountered, the server evaluates
> whether the host's group and scope information is available.  When host
> specific info is available that is used instead of the global values.
> If host information isn't available, then a fallback to the global/lease
> scope is done.
>
>
> Regards,
> Troy Herr
>
> -----Original Message-----
> From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On
> Behalf Of Dries Decock
> Sent: Thursday, May 29, 2008 2:01 AM
> To: dhcp-users at isc.org
> Subject: Re: DHCP4.0.0a1 Release notes Question
>
> Hi,
>
> we noticed the same problem with the 4.0.0 version. I'm only able to
> match a host with the host-identifier if I also give the host a fixed
> address. So :
>
> host test-box {
>    host-identifier option dhcp6.client-id
> 00:01:00:01:47:b3:86:d0:00:07:5b:77:87:ae;
>    option dhcp6.name-servers fc00:0:4491::18;
> }
> doesn't work, but
> host test-box {
>    host-identifier option dhcp6.client-id
> 00:01:00:01:47:b3:86:d0:00:07:5b:77:87:ae;
>    fixed-address6 fc00:0000:4491:0200::25;
>    option dhcp6.name-servers fc00:0:4491::18;
> }
>
> should work.
> This is causing a lot of troubles for us, but I never got a response on
> this list yet.
>
> Best regards,
> Dries
>
>
> On Wed, 2008-05-28 at 11:57 -0600, chinmaya sn (chins) wrote:
> > Hi,
> >
> > I have been trying to find solution for providing host based DHCPv6
> > options.
> > Using host-identifier option under host declaration block has given me
> > no
> > result. If you have not read my earlier mail, this my network
> > configuration.
> >
> >
> > preferred-lifetime 2000;
> > default-lease-time 2000;
> >
> >
> > subnet6 fc00:0000:4491::/64 {
> >     range6 fc00:0000:4491:0200::25 fc00:0000:4491:0200::100;
> > }
> >
> > host test-box {
> >     host-identifier option dhcp6.client-id
> > 00:01:00:01:47:b3:86:d0:00:07:5b:77:87:ae;
> >     option dhcp6.name-servers fc00:0:4491::18;
> > }
> > # the client-id is perfectly matches hex-string displayed in wireshark
> >
> >
> >
> > Well while trying to debug that ... in the DHCP4.0.0a1 release notes I
> > noticed that, under DHCP limitations,
> >
> > <<The "host-identifier" option is limited to a simple token>>
> >
> > What does this exactly mean? Do you think it has anything to do with
> > the
> > problem I am facing.
> >
> > Thanks
> > Chinmaya
> >
>
>
>
>
>
>


-- 
chinmaya
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