Dns Update
frank miller
frankkmiller at yahoo.com
Tue May 6 14:59:12 UTC 2008
Yes I used both of those but it still updated dns with
the name that the client sent rather than the one I
dictated. This does not seem to follow the behavior
described in the docs below.
--- Glenn Satchell <Glenn.Satchell at uniq.com.au> wrote:
> 'host truename' is just a unique label for the host
> declararion, and
> doesnothave to have any resemblance to the real
> name.
> use-host-decl-names can override this bahaviour.
>
> In the interim dynamic dns update scheme it is a
> little different from
> the ad-hoc scheme.
>
> This is the relevant section from the dhcpd.conf man
> page:
>
> If the server is configured not to allow client
> updates, or
> if the client doesn't want to do its own
> update, the server
> will simply choose a name for the client from
> either the
> fqdn option (if present) or the hostname
> option (if
> present). It will use its own domain name for
> the client,
> just as in the ad-hoc update scheme. It
> will then update
> both the A and PTR record, using the name that
> it chose for
> the client. If the client sends a
> fully-qualified domain
> name in the fqdn option, the server uses only
> the leftmost
> part of the domain name - in the example
> above, "jschmoe"
> instead of "jschmoe.radish.org".
>
> So, in your host declaration I think you need to
> also set:
>
> option hostname = "truename";
>
> and maybe you will need to set
>
> option fqdn.fqdn = "truename.testing.com";
>
> but try only setting option hostname first. Options
> are covered in the
> dhcp-options man page.
>
> regards,
> -glenn
>
> >Date: Fri, 2 May 2008 17:01:43 -0700 (PDT)
> >From: frank miller <frankkmiller at yahoo.com>
> >Subject: Re: Dns Update
> >To: dhcp-users at isc.org
> >
> >Which instance of 'truename' do you refer to ?
> >
> >--- Romer Ventura <rventura at h-st.com> wrote:
> >
> >> Don't you have to use the MAC add where it says
> >> "truname" else it wont
> >> recognize it...?
> >>
> >>
> >> On 5/2/08 1:59 PM, "frank miller"
> >> <frankkmiller at yahoo.com> wrote:
> >>
> >> > host truename {
> >> > hardware ethernet 1.1.1.1.1.1;
> >> > fixed-address 1.1.1.1;
> >> > ddns-hostname "truename";
> >> > ddns-domainname "testing.com";
> >> > option domain-name "testing.com";
> >> > }
> >>
> >> ------
> >> Romer Ventura
> >> Network Administrator
> >> Houston-Sigma Technologies, L.P.
>
>
>
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