Multi-Homed Routing
Sten Daniel Sørsdal
sten.daniel.sorsdal at wan.no
Mon Sep 1 02:27:10 PDT 2003
[.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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