Neil,

Yes, I have control of the zones.  Excellent suggestions!

Ernie


----- Original Message ----- 
From: "Neil A. Hillard" <m0n0 at dana dot org dot uk>
To: <m0n0wall at lists dot m0n0 dot ch>
Sent: Saturday, October 20, 2007 10:50 AM
Subject: Re: [m0n0wall] DNS (Off Topic) Question


> Ernie,
>
> In message <002701c81326$4b91caf0$5601a8c0@hamcomputer>, Ernie Zingleman
> <ks4q at zingleman dot com> writes
>>This is an off topic question but I figured the experienced users here
>>could answer it for me.
>>
>>I'm transitioning from one static IP to another as I switch DSL
>>providers in a day or two. I've got a host name that users employ to
>>connect to me.
>>
>>The new static IP is not working yet.  However, in preparation for the
>>transition and to minimize downtime and failed connections, can I add
>>my new static IP to my DNS records as a second entry?
>>
>>Or, am I better just having one entry at a time for my hostname?
>>
>>Thanks in advance, Ernie
>
> You'd be better off not adding the additional IP address, otherwise
> users will experience delays as the DNS entries will be randomised when
> returned to them so approx. 50% of connections will attempt to use a
> non-functioning address before trying the working one.
>
> I'd advise lowering the TTL on the record/zone in question to a couple
> of minutes.  Then when you make the change then the outage will be as
> short as possible.
>
> Once you have confirmed that your change has worked and tested OK then
> raise the TTL back to a sensible value.
>
> All of this assumes that you have that much control of your zone(s)!
>
> HTH,
>
>
>                                Neil.
>
> -- 
> Neil A. Hillard                E-Mail:   m0n0 at dana dot org dot uk
>
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