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

Jim Glassford jmglass at iup.edu
Thu Mar 28 17:42:59 UTC 2013


Hi Jim,

Lost track but have you tried using the IP address of the server for the 
primary, 172.10.20.101 instead of 127.0.0.1?

zone dhcp.coloradostudios.com. {
    primary 172.10.20.101;                         <----- change from 
127.0.0.1
    key DHCP_UPDATER;
}


best!
jim


On 3/28/2013 1:31 PM, Jim Bucks wrote:
> Hi Sten,
>
> Thanks for the response,  I only dabble in DNS setups every 5 years 
> (or so).  I really thought this would be a "no brainer", and most 
> likely have some simple command / syntax error causing all of this.
>
> From /var/log/messages
>
> Mar 28 11:22:57 dns04 dhcpd: DHCPOFFER on 172.10.20.101 to 
> 00:0b:cd:33:b6:49 (proccilapxp) via eth1
> Mar 28 11:22:57 dns04 dhcpd: Unable to add forward map from 
> dhcp-172-10-20-101.coloradostudios.com 
> <http://dhcp-172-10-20-101.coloradostudios.com> to 172.10.20.101 
> <http://172.10.20.101>: timed out
> Mar 28 11:22:57 dns04 dhcpd: DHCPREQUEST for 172.10.20.101 
> (172.10.5.5) from 00:0b:cd:33:b6:49 (proccilapxp) via eth1
> Mar 28 11:22:57 dns04 dhcpd: DHCPACK on 172.10.20.101 to 
> 00:0b:cd:33:b6:49 (proccilapxp) via eth1
>
>
> On Thu, Mar 28, 2013 at 11:26 AM, Sten Carlsen <stenc at s-carlsen.dk 
> <mailto:stenc at s-carlsen.dk>> wrote:
>
>     Apparently the DHCP server tries to put the change into BIND but
>     times out. What does the named log tell about this?
>
>     Either it did see the request or it will have an explanation why
>     it won't do it.
>
>     On 28/03/13 18:18, Jim Bucks wrote:
>>     Hi Mark, Graham, & others.
>>
>>     I've spent the last day trying all sorts of things to get this
>>     working (to no avail).  I'm still at the stage of DHCP offering
>>     the lease IP address, but the DNS is not automatically updating
>>     the two "zones" files with the newly leased addresses.
>>
>>     Here is a grief summary of what I tried/changed.
>>        - Added the group named to the dhcpd user
>>        - moved the two zones files into
>>     /var/named/chroot/var/named/slaves/  (was internal/)
>>        - added ENABLE_ZONE_WRITE=yes to /etc/sysconfig/named
>>        - grabbed a current version named.conf file and added the bare
>>     minimum config into into it.
>>
>>     Attached are my configs.
>>
>>     Any ideas on what I've hosed up?
>>
>>     Thanks,
>>
>>     Jim
>>
>>
>>
>>     -- 
>>     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
>>     <tel:303-388-8500>
>>     jbucks at coloradostudios.com <mailto:jbucks at coloradostudios.com>   
>>     Direct 303-542-5520 <tel:303-542-5520>
>>
>>
>>     _______________________________________________
>>     Please visithttps://lists.isc.org/mailman/listinfo/bind-users  to unsubscribe from this list
>>
>>     bind-users mailing list
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>
>     -- 
>     Best regards
>
>     Sten Carlsen
>
>     No improvements come from shouting:
>
>             "MALE BOVINE MANURE!!!"
>
>
>     _______________________________________________
>     Please visit https://lists.isc.org/mailman/listinfo/bind-users to
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>
>
>
> -- 
> 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 <mailto:jbucks at coloradostudios.com>         
>    Direct 303-542-5520
>
>
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