On 10/6/2010 3:21 PM, Jay Ford wrote:
On Wed, 6 Oct 2010, Alex McKenzie wrote:
Unfortunately, we do have need -- or at least a use -- to have smaller
subnets in multiple files, but without delegating authority. The
problem is that some of those small subnets should have a shorter TTL,
or other settings changed. If there's a way to change all the settings
by host in a single file, that would at least make that easier.
You could use one real zone file which is referenced by named.conf,
with $INCLUDE directives in that zone file to pull in the parts of the
zone from files containing the subsets you want. A $TTL directive at
the top of each small file should give you the variable TTL defaulting
you want.
You can have a different TTL for each and every record, if you like, in
the same zone file with no includes (the $TTL directive can appear
multiple times).
e.g. :
$TTL 300 ; 5 mins
* PTR host-no-spec.example.com.
$TTL 3600 ; 1 hour
17 PTR mail.example.com.
$TTL 1800 ; 30 mins
18 PTR mail2.example.com.
$TTL 86400 ; 1 day
19 PTR whatever.example.com
20 PTR whatever2.example.com
22 PTR whatever2.example.com
^^ This works for me.
For larger subnets we can use multiple zones, but I'd hoped to avoid it
if possible. It sounds from this like there isn't a way, though.
Right.
________________________________________________________________________
Jay Ford, Network Engineering Group, Information Technology Services
University of Iowa, Iowa City, IA 52242
email: jay-f...@uiowa.edu, phone: 319-335-5555, fax: 319-335-2951
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-___________________________________
David Miller
Tiggee LLC
dmil...@tiggee.com
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