From: Thomas Bridge (tbridge at domain vianetworks.ie)
Date: Mon 20 May 2002 - 17:03:35 IST
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At 16:50 20/05/2002 +0100, Niall O Broin wrote:
>I manage an office which has an Internet connection via a leased line.
>However, bandwidth on this line is somewhat expensive. I'm planning to
>install a DSL line (so obviously, the office isn't in Ireland :-( ) and use
>that for most of the outgoing traffic. But how best to do it ? Can I add two
>default routes to the clients, the route through the DSL machine having a
>lower metric than that through the leased line ? Or should I make all the
>clients have a default router to the DSL box, and then have that box's
>default route be through the DSL connection except when the DSL is not
>available for whatever reason, in which case it would route via the box on
>the leased line. As I am doing NAT on the current firewall (connected to
>the leased line) and I'll be doing NAT on the DSL box is that likely to
>cause me some confusion ?
I'm already confused :)
If have this right, you want the traffice to go out over the DSL except if
it goes down at which point you want to go it over the leased line.
Are you planning to use the same set of IP addresses regardless of which
link? Or does the source IP address of the traffic depend on which
interface the traffic is NAT'd through?
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