Dns Update
John Hascall
john at iastate.edu
Fri May 2 16:34:55 UTC 2008
> Do not always want to trust what the client sends as
> the hostname and would like to use what is in the host
> definition for example, the option host-name or
> ddns-hostname.
>
> I want DHCPD to update DNS based on what I set not
> what the client sends.
>
> I have tried a few of the options but the dns always
> seems to update on what the client sends and not on
> what is in DHCPD.CONF.
This is what we use without issue:
ddns-update-style interim;
ddns-updates on;
ddns-ttl 300;
...
# ministry-of-silly-walks.its.iastate.edu 00:80:47:3d:a7:a7 john
host 0080473da7a7 {
hardware ethernet 00:80:47:3d:a7:a7;
ddns-hostname "ministry-of-silly-walks";
ddns-domainname "its.iastate.edu";
option domain-name "its.iastate.edu";
}
Hope this helps,
John
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