On 03/03/2015 12:50 PM, BIND Feature Requests via RT wrote:
>
> Greetings,
>
> This message has been automatically generated in response to the
> creation of a trouble ticket regarding:
>     "RFE: using IP subnet in also-notify option",
> a summary of which appears below.
>
> There is no need to reply to this message right now.  Your ticket has been
> assigned an ID of [ISC-Bugs #38805].
>
> Please include the string:
>
>          [ISC-Bugs #38805]
>
> in the subject line of all future correspondence about this issue. To do so,
> you may reply to this message.
>
>                         Thank you,
>                         bind-suggest@isc.org
>
> -------------------------------------------------------------------------
> Hello.
>
> I would like to ask if it would be acceptable to merge feature
> into BIND, that would allow using subnet instead of just specific
> IP address in the also-notify configuration statement.
>
> Based on documentation and our testing, it is not possible.
>
> The idea is to modify
>
> [ also-notify { ip_addr [port ip_port] [dscp ip_dscp] ;
>               [ ip_addr [port ip_port] [dscp ip_dscp] ; ... ] }; ]
>
> to something like
>
> [ also-notify { ip_addr [/length] [port ip_port] [dscp ip_dscp] ;
>               [ ip_addr [/length] [port ip_port] [dscp ip_dscp] ; ... ] }; ]
>
> where [/length] would specify the prefix length and if not used
> it would default to "32" in case of IPv4 or "128" in case of IPv6.
>
> Another possibility would be to modify the also-notify to accept
> "address_match_list". Although I don't think all of its elements
> make sense in the context of also-notify (e.g. "key" and the possibility
> to negate it using "!").
>
> The use case for this is that one is able to specify the subnet
> in allow-transfer statement. However if the administrator needs
> to notify all slaves in the subnet, then their IPs need to be
> explicitly listed. This may not be feasible if the list is extensive.
>
> I'll start working on the patch once you agree on some of proposed
> approaches (and on the feature itself).
>
> Thank you!
>
> Regards,
>
Hello.

So far I got no response from ISC. I would like to ask you for a comment
on the proposal, so I can potentially start working on the patch.

Thank you.

Regards,
-- 
Tomas Hozza
Software Engineer - EMEA ENG Developer Experience

PGP: 1D9F3C2D
Red Hat Inc. http://cz.redhat.com