Date: Sun, 11 Nov 2001 09:03:37 +1100 From: Edwin Groothuis <edwin@mavetju.org> To: BSD Freak <bsd-freak@mbox.com.au> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Changing a DNS Server IP address but not hostname Message-ID: <20011111090337.J35710@k7.mavetju.org> In-Reply-To: <36f66136de89.36de8936f661@mbox.com.au>; from bsd-freak@mbox.com.au on Sun, Nov 11, 2001 at 08:43:42AM %2B1100 References: <36f66136de89.36de8936f661@mbox.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Nov 11, 2001 at 08:43:42AM +1100, BSD Freak wrote: > We host several of our client's domains on our DNS servers. > We are soon going to change our network provider, which will result in > a change of the IP addresses of our DNS servers. The server hostnames > however will remain the same. > > Will we have to redelegate all the domain names we currently > host? Redelegate? Not sure what /you/ mean with it, but for me this is just a quick change in the nameservers for the .com.au/.com/whatever domain. There is only one way to do this correct and that is having both the IP subnets for a short time in which you: - configure your new subnet. - configure your new DNS server on the new subnet. - make sure the new DNS server is running properly. - change the configuration in the nameservers for the .com.au/.com/whatever domains. - check that your new DNS servers are running properly, that all your requests are coming through there. - check that your old DNS servers are not being used anymore - turn the old DNS servers off - get rid of the old subnet. Somewhere in the story, set the TTL of your data back to a short time (i.e. 5 minutes), so that you won't be stuck with stuff in caches. And afterwards, set it back to reasonable times again. Moving a DNS server from one subnet to another one is not something which can be done very easily, because it's a basic infrastructure change which will need to work before you can move the rest of the machines to the new subnet. Edwin -- Edwin Groothuis | Personal website: http://www.MavEtJu.org edwin@mavetju.org | Interested in MUDs? Visit Fatal Dimensions: ------------------+ http://www.FatalDimensions.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011111090337.J35710>