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Date:      12 Mar 1999 10:35:49 -0500
From:      Chris Shenton <cshenton@uucom.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Patrick Gardella <patrick@cre8tivegroup.com>, freebsd-questions@FreeBSD.ORG
Subject:   Re: Two routes to world?
Message-ID:  <86yal2pvoq.fsf@samizdat.uucom.com>
In-Reply-To: Greg Lehey's message of Fri, 12 Mar 1999 12:00:09 %2B1030
References:  <XFMail.990311164729.patrick@cre8tivegroup.com> <19990312120009.U490@lemis.com>

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Greg Lehey <grog@lemis.com> writes:

> It might be as simple as doing nothing.  
> 
> I'm having difficulty understanding what you're trying to do here.  Do
> you intend to keep the PPP link?  It doesn't seem to make sense.  If
> you're only concerned about the transition, you shouldn't have a
> problem.  If both connections are to ISPs (in other words, to the
> Internet), and *their* routing is correct, you can use either
> interface as the default and the data will get there.  It'll get there
> faster via the ADSL line, of course, even if you're picking up mail
> from the old ISP.

I would think the easiest thing to do would be to use two MX records
in the DNS, the more preferred pointing to your DSL-address and the
less-preferred pointing to your POTS-address. You can give your
mail machine multiple IP addresses, one on each network space, using
IP aliases; see the example in the /etc/rc.conf file.

MX records are very useful.


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