Re: test network DNS server w/o Internet access: Is it possible?

[Robert Threet <rthreet@yahoo.com>]

They recommend a "scorched earth", destroy-the-old as you're
upgrading to the 'new'.  They didn't cover new hardware.  They simply
said "both machines must have the same FQDN".  As if that's normal or
something!  Maybe I'm missing the point.  Maybe there's an easier
way.

Thanks.  Named runs and resolves okay now.  I have a routing issue
though.  Fun!

--- Jeff Licquia <jeff@licquia.org> wrote:
> On Sun, 2003-02-23 at 14:45, Robert Threet wrote:
> > I have a Slackware 8.0 box and I'm trying to set up a test
> network
> > with a bogus DNS server so that the three servers on this
> standalone
> > network can "think" that they are resolving their names.  Can
> this
> > work or do I have to have an Internet connection for the DNS
> server? 
> > Anything special need to be done (i.e. remove named.cache
> reference?)
> 
> DNS should still work without an Internet connection, root name
> servers,
> etc.  I've set it up in such situations before.
> 
> > For example:
> > 
> > www 10.1.1.1
> > mail   10.1.1.2
> > ns1     10.1.1.3
> > 
> > All three use ns1 for DNS.  It doesn't work (most likely the DNS
> > config).  
> 
> Have you told BIND that it is authoritative for the top-level
> domain? 
> You still need to do this.
> 
> Something like this for BIND 9 should work:
> 
> zone "my.domain" {
>   type master;
>   file "/path/to/name/db";
> };
> 
> zone "10.in-addr.arpa" {
>   type master;
>   file "/path/to/reverse/name/db";
> };
> 
> > [P.S. - The "Why?"]  I'm doing a migration to new hardware that
> > requires the target have the same FQDN as the original.  I can't
> > install on the new system unless it resolves itself as the old
> name
> > and IP address.  Until I have the product installed, I can't (of
> > course) migrate the data.
> 
> Heh.  Gotta love copy protection.
> 
> Does the vendor provide a migration guide for this situation?  How
> do
> they recommend you solve this problem?
> -- 
> Jeff Licquia <jeff@licquia.org>
> 
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