dhclient complains Can't update forward map no such RRset

[Noah]

On Mon, 27 Mar 2006 10:46:30 +1100 (EST), Glenn Satchell wrote
> Hi Noah,
> 
> dhclient is the *client* side of dhcp, that is, the part that 
> requests an adddress from a server, and configures an ethernet interface.
> 
> dhcpd is the *server* that hands out the addresses, and usually is 
> the bit that adds things to DNS via dynamic updates.
> 
> There is a very good section in the dhcpd.conf man page on setting up
> dynamic dns. It includes the sections of the config files for
> dhcpd.conf and named.conf that you need to add. If you follow the
> examples I am sure you will be able to get it working.


Thank you for your explanation and inspiration, and I followed the directions
and I am still left with the error.

--- snip ---

Mar 26 16:00:15 protect1 dhclient: Can't update forward map
protect1.domain.com. to 24.5.78.100: no such RRset

--- snip ---

what does that error mean?


> 
> Also take note of the client-updates statement in dhcpd.conf. If you
> allow client-updates then dhcpd expects the client to do the update (in
> Microsoft it means tick the box "register my name in DNS"). If you
> ignore client-updates the the dhcp server will do the dns updates. In
> either case the dhcp server does the reverse entry to the in-add.arps
> zone.


I am wanting the client to do the update.  the client updates are by default
allowed so there is nothing to configure there.

WHat else could be wrong with my configuration because I cannot figure it out.

cheers,

Noah




> 
> regards,
> -glenn
> 
> >From: "Noah" <admin2 at enabled.com>
> >To: "dhclient" <dhcp-client at isc.org>
> >Subject: dhclient complains Can't update forward map no such RRset
> >Date: Sun, 26 Mar 2006 14:27:21 -0800
> >
> >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" 
> >
> >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
> >