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Date:      Sun, 16 Dec 2001 13:15:29 -0800
From:      Jeff Lasman <jblists@nobaloney.net>
To:        freebsd-isp@FreeBSD.ORG
Subject:   Re: Using DNAT and DNS round-robin
Message-ID:  <3C1D0EF1.783B48AD@nobaloney.net>
References:  <PGECILGGNJGDPJKLFEMIMEJGCIAA.dpuryear@usa.net> <196254713265.20011209213749@hostonfly.com> <3C1C270F.164076BA@nobaloney.net> <20011216002028.A1264@leaf.lumiere.net>

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Derrick John Klise wrote:

> IIRC, something like:
> 
>   monkey.example.net    IN A   192.168.0.1
>                         IN A   192.168.0.2
>                         IN A   192.168.0.3

Thanks.  Finally found it on page 259 of DNS and Bind.

> > Is there a way to handle high-availability strictly in DNS?
> 
> Possibly; I'm unaware of one if there is, though.
> 
> If you're not too worried about the TTL problem, you could set up a monitoring
> program to remove an entry from the rotation if it's corresponding address
> becomes unavailable, then add it when it comes back up.

That's exactly what we're planning on.  Along with very low TTL.  Won't
help with AOL, Earthlink, etc., though <frown>.

Jeff
-- 
Jeff Lasman <jblists@nobaloney.net>
Linux and Cobalt/Sun/RaQ Consulting
nobaloney.net
P. O. Box 52672, Riverside, CA  92517
voice: (909) 778-9980  *  fax: (702) 548-9484

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