On 02/08/2017 11:09 AM, Cuttler, Brian R (HEALTH) wrote:
DHCP: I know DHCP will remove the info when the old lease expires, will it remove this information for me in the case of the device falling off line, and how can I accelerate that process so that I can reassign the printer tag to a new IP address.
I don't recall if DHCP will remove all records at a given RR name or if it will just remove the records that it would have created.
I also don't recall if it will attempt to remove the RR if said record was pre-existing.
You may have to do some playing to see how things shake out.
BIND: Knowing that I have a "A", "TXT" and "PTR" record, is # nsupdate the correct mechanism, and how do I specify the commands to remove the "TXT" record as it is missing column 1 in the tables. I have previously manually both created and removed forward and reverse records, but text records are different, I just don't know how different.
Depending on how many RR you need to clean up and how often you need to do it, it might be worth freezing your dynamic zone (rndz sync -clean) and do a bulk edit. (Remember to thaw and possibly sign your zone.)
I would also recommend that you not issue one "send" for all of your updates. If anything fails, the entire send will fail. - Conversely you may not want to do a send for each and every RR either. YMMV.
-- Grant. . . . unix || die
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