IPv4 & IPv6 named processes on a dual stack host

Timothy Stoddard testoddard at ualr.edu
Wed May 25 14:40:35 UTC 2011

On Tue, May 24, 2011 at 2:37 PM, Eivind Olsen <eivind at aminor.no> wrote:

> Timothy Stoddard wrote:
> > Has any one run into a issue with two named processes running on the same
> > host.  We want to begin serving up DNS on our IPv6 address space and do
> > not
> > want to duplicate each of our DNS servers.  We have started two named
> > processes one with "-6" option.  All seems to be working.  I am concerned
> > how journal files will be handled.  Question will the "-4" named process
> > coexist with "-6" on the same box???
> Well, I guess it should work, assuming you let it deal with separate
> files/directories and don't mix too much between the two instances.
> But - why would you prefer to do 2 separate instances, instead of just
> having 1 listening on both IPv4 and IPv6? Just run it without any "-4" or
> "-6" options, and tell it to listen to your IPv6-address(es) as well, with
> adding something like this to your options block in named.conf:
>    listen-on-v6    { any; };
> I see you mention you run ISC DHCP 4.1 of some version: yes, the DHCP
> software can currently only run either IPv4 or IPv6. BIND can easily deal
> with both protocols at the same time.
> Regards
> Eivind Olsen
I did not know this was possible.  However I just modified by named.conf and
it works great.

I guess I was confusing the ISC DHCP requirments with the BIND features.

Thanks for the help.

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