Looking for a pointer on getting reverse mapping with DDNS to work with DHCPD & Named.

[Jim Bucks]

Thanks Graham,

I appreciate the hints.  However, I'm still having problems (after finding
a few more "how-to's").  Any other pointers / tips on what to look for?

Jim


Mar 26 14:18:24 dns04 dhcpd: DHCPRELEASE of 172.10.20.51 from
00:0b:cd:33:b6:49 (proccilapxp) via eth1 (found)
Mar 26 14:18:31 dns04 dhcpd: DHCPDISCOVER from 00:0b:cd:33:b6:49 via eth1
Mar 26 14:18:32 dns04 dhcpd: DHCPOFFER on 172.10.20.51 to 00:0b:cd:33:b6:49
(proccilapxp) via eth1
Mar 26 14:18:32 dns04 dhcpd: Unable to add forward map from
proccilapxp.dhcp.coloradostudios.com. to 172.10.20.51: not authorized
Mar 26 14:18:32 dns04 dhcpd: DHCPREQUEST for 172.10.20.51 (172.10.5.5) from
00:0b:cd:33:b6:49 (proccilapxp) via eth1
Mar 26 14:18:32 dns04 dhcpd: DHCPACK on 172.10.20.51 to 00:0b:cd:33:b6:49
(proccilapxp) via eth1



On Tue, Mar 26, 2013 at 8:52 AM, Graham Clinch <g.clinch at lancaster.ac.uk>wrote:

> Hi Jim,
>
> > I'm getting either of the following errors:
> > dhcpd: unable to add reverse map from 51.20.10.172.in-addr.arpa. to
> > proccilapxp.dhcp.coloradostudios.com
> > <http://proccilapxp.dhcp.coloradostudios.com>: bad DNS key
> > dhcpd: unable to add reverse map from 51.20.10.172.in-addr.arpa. to
> > proccilapxp.dhcp.coloradostudios.com
> > <http://proccilapxp.dhcp.coloradostudios.com>: timed out
>
> it's actually the line above those :)
>
> > Mar 26 07:56:59 dns04 dhcpd: db.172.10.20.: host unknown.
>
> which is caused by the zone statements in dhcpd.conf:
>
> > zone 20.10.172.in-addr.arpa. {
> >    primary db.172.10.20.;
> >    key DHCP_UPDATER;
> >    #file "internal/db.172.10.20";
> > }
>
> 'primary' should be the address of the DNS server to send the update
> message to (not the filename of the zone - dhcpd asks the nameserver to
> make the updates on its behalf, it doesn't alter the zone file itself).
>
> so you probably want:
>
> zone 20.10.172.in-addr.arpa. {
>    primary 127.0.0.1;
>    key DHCP_UPDATER;
>    #file "internal/db.172.10.20";
> }
>
> (and similar a change for the forward zone).
>
> Graham
>
> --
> Graham Clinch
> Systems Programmer,
> Information Systems Services,
> Lancaster University
>
>


-- 
Jim Bucks - IT Director
Colorado Studios <http://www.coloradostudios.com>, Mobile TV
Group<http://www.mobiletvgroup.com>,
HDNet <http://www.hd.net>, AXS.tv <http://www.axs.tv/>
8269 E. 23rd Ave. Denver, CO 80238 Main  303-388-8500
jbucks at coloradostudios.com            Direct 303-542-5520
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