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Rodolfo J. Paiz wrote:

>1. My notebook is assigned 192.168.0.102 by DHCP.
>2. The DHCP server notifies DNS that "notebook IN A 192.168.0.102".
>3. "ping notebook" does the right thing.
>4. I reboot, get assigned .103 by DHCP.
>5. DNS (and its cache) is updated.
>6. "ping notebook" again does the right thing.

Ok, so instead of having a pool like this:

192.168.1.11    d1-11.spotnet.org
192.168.1.12    d1-12.spotnet.org
192.168.1.13    d1-13.spotnet.org

, when a machine whose DHCP_HOSTNAME is caspar is assigned 192.168.1.11, 
DNS gets changed so that 192.168.1.11 resolves to caspar.spotnet.org.

Well, ok, but this is only going to work in very limited circumstances
- -- i.e., a small, private network where you alone control DNS caching,
which you say is the case for you, in which case, what's so hard about
static assignments, or MAC-keyed DHCP leases?  Further, if you need to
reach the machine, then it qualifies as a resource server, and should
(in my opinion) have a static IP anyway. And finally, on a public
network, this is only approaches practicality if you set astonishingly
low TTLs on those records.  

So I guess it all just sounds kludgy to me, but if it works for you ...

- -d

- -- 
David Talkington

PGP key: http://www.prairienet.org/~dtalk/0xCA4C11AD.pgp

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