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Date:      Mon, 1 Sep 2003 11:24:33 +0200
From:      =?iso-8859-1?Q?Sten_Daniel_S=F8rsdal?= <sten.daniel.sorsdal@wan.no>
To:        "Kenneth Kabagambe" <kenneth@eahd.or.ug>, "Thomas Dwyer" <tom@dwyers.ca>, <freebsd-isp@freebsd.org>
Subject:   RE: Multi-Homed Routing
Message-ID:  <0AF1BBDF1218F14E9B4CCE414744E70F07DF30@exchange.wanglobal.net>

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[.snip.]
> 
> this solution would work if you had alot of extra cash 
> stashed away, just 
> waiting to be used, which i dont think is the case here. yes 
> bgp is the 
> accepted solution but is way too expensive to implement.
> 
Aye

> 
> > However.
> > 
> > You could achieve almost the same effect by using a script to
> > check if both gateways are up and if one goes down it automatically 
> > changes the default route to the working ISP.
> > Then automatically adjust your DNS pointers to the new ip 
> address(es).
> 
> kudos to the venerable ping.

Kudos!

> 
> > 
> > Your public ip address(es) will change, and hence some people wont 
> > be able to reach your site until their DNS's are updated. Some 
> > people have caching DNS's that wont expire a record for a long time 
> > to not generate alot of traffic and wont reach your site at all.
> > 
> 
> Stan, Cant someone use dyndns? wouldnt it be easier to use?

Sten :)

Dyndns is one of many similar solutions, of course someone could use dyndns.
I do believe that dyndns has the same "flaw" i describe above, but that is a
local dns management issue. So yes.


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