dhclient complains Can't update forward map no such RRset

[Mark Andrews]

> Okay I am at a loss here and hope somebody can assist me with
> troubleshooting my current configuration issues.  I read through the
> man pages for dhcp, bind, dhclient, and relevant config files and I
> have not been able to find a cure to my issue.
> 
> I have two servers:  the first is a server running dhclient/dhcpd that
> is sending ddns updates to a primary name server.
> 
> dhclient is complaining:  "Mar 26 13:56:48 protect1 dhclient: Can't
> update forward map protect1.domain.com. to 100.100.100.100: no such
> RRset"

	Look at log messages that preceed this message.  You will find
	that the update is a conditional update and this messages is
	saying that the preconditions are not being met.
 
> I do not have a good understanding of what the above error message
> means and/or how to cure it.  What on earth am I doing wrong?
> 
> --- snip ---
> 
> # dhclient -v
> Internet Systems Consortium DHCP Client V3.0.2-RedHat
> 
> --- snip ---
> 
> here is my dhclient configuration
> 
> ---s nip ----
> 
> # cat /etc/dhclient-eth0.conf
> send host-name "machine.hostname.com.";
> send fqdn.fqdn "machine.hostname.com.";
> send fqdn.encoded on;
> send fqdn.server-update off;
> 
> key machine.hostname.com {
>     algorithm HMAC-MD5;
>     secret "a;dflkja;sldkfja;lkdjq;wlekjr;qlkwejr;lqkwjer;lkqjewr";
> }
> 
> zone hostname.com {
>     primary 216.218.220.22;
>     key "machine.hostname.com";
> }
> 
> interface "eth0" {
>     send host-name "machine.hostname.com.";
>     send dhcp-client-identifier 00:C0:F0:1F:21:E2;
>     send dhcp-lease-time 3600;
>     supersede domain-name "host.hostname.com hostname.com";
>     prepend domain-name-servers 127.0.0.1;
>     request subnet-mask, broadcast-address, time-offset, routers,
> domain-name, domain-\
> name-servers, host-name;
>     require subnet-mask, domain-name-servers;
>     script "/sbin/dhclient-script";
> }
> 
> ---- snip ----
> 
> Cheers,
> 
> Noah
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org