Hi Phil,
 
Thanks. We have multiple IPv4 networks and we want to have different IPv6 
address network mapping for each IPv4 manily for security reasons.
 
Based from your reply, I can add multiple dns64 in options. Should I configure 
it like this?
 
options {
   directory "/var/cache/bind";
   auth-nxdomain no;
   listen-on-v6 { any; };
   allow-query { any; };
   dns64 2001:db8:1:ffff::/96 {
   clients { any; }; 
   mapped { 10.10.10.0/24; };
    };
   dns64 2001:db9:1:ffff::/96 {
   clients { any; };
   mapped { 10.10.20.0/24; };
    };
  };
 
Thanks
 

________________________________
From: Phil Mayers <p.may...@imperial.ac.uk>
To: bind-users@lists.isc.org 
Sent: Thursday, May 24, 2012 4:15 PM
Subject: Re: DNS64 - multiple mapping

On 05/24/2012 07:36 AM, Rock July wrote:
> Hi All,
> Is it possible for me to add multiple dns64 in options? I want to have

Yes.

> different IPv6 prefix for each IPv4 network address.

I don't know what the means, but the dns64 option takes a quite comprehensive 
set of ACLs to match client and original packet A address(es) as well as other 
options. Perhaps you should read the ARM?
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