ddns update for machines that changed subnet

[Kevin Darcy]

What version of BIND are you running? I believe named stopped calling 
routine Dynamic DNS rejections "errors" quite a while ago...

                                                                         
                  - Kevin

amoroder wrote:
> Hello,
>
> we have dhcp that updates the DNS. This worked fine for many years.
> Now we have to migrate many PCs to another network. When dhcp tries
> to
> update the entries in bind then we get the following errors
>
> Oct 13 10:00:01 voyager2 named[11709]: error processing update packet
> (YXRRSET) id 30767 from [127.0.0.1].45121
> Oct 13 10:00:01 voyager2 dhcpd: if IN A LATD620-AM.sb-brixen.it rrset
> doesn't exist add 1750 IN A LATD620-AM.sb-brixen.it 10.53.1.144:
> RRset
> already exists.
>
> dhcpd and named are on the same server.
>
> in my named.conf I have
>
>
> zone "sb-brixen.it" in {
>         type master;
>         file "sb-brixen.zone";
>         allow-update { key DHCP_UPDATER; };
> };
>
>
> zone "53.10.in-addr.arpa" in {
>         type master;
>         file "10.53.zone";
>         allow-update { key DHCP_UPDATER; };
> };
>
>
> In my dhcpd.conf
>
> ddns-domainname "sb-brixen.it";
> ddns-update-style ad-hoc;
>
>
> Is there a way to tell dns to delete the old record and add the new
> when
> the IP address changes ?
>
> Thanks
> Andreas
>
>
>
>
>