Can dhcpd update DNS CNAME records?

David Smith w-dhcp at kdace.com
Sat Dec 15 22:03:36 UTC 2007


You shouldn't need to.  Point the CNAME to the A record that DHCP  
updates.  The CNAME is an alias for the A record, not the IP address,  
so it will follow the A record.


On Dec 13, 2007, at 12:27 PM, Dean Montgomery wrote:

> Our schools are successfully having the dhcp server update the bind  
> DNS
> entries A and PTR records.  I would like to include CNAME record  
> updates from
> the dhcpd.conf file, how would I do this?
>
> e.g.
>   host a100-10 {
>     # Note: principal's laptop
>     hardware ethernet 00:17:31:63:34:58;
>     fixed-address   10.64.100.18;
>     option cname "principal";
>   }
>
> I need the regular A and PTR entries to follow one naming  
> convention for host
> names, at the same time It would be very nice to have a CNAME alias  
> to access
> the cryptic host name.
>
> Is there a way to have dhcp server update CNAME records?



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