multiple incoming lines

[Oliver Fromme]

G Bryant <bsdt at roamingsolutions.net> wrote:
 > Setup description:
 > 1x FreeBSD 5.4
 > 3x NIC's:  1x LAN, 2x connected to external DSL modems
 > int_if - LAN
 > ext_if1 - ISP1
 > ext_if2 - ISP2
 > 
 > Both dsl modems use NAT too, so it is a nat - nat, but did have it 
 > working for a single external line.
 > I am running 2 natd's that use the 2 external if's.
 > 
 > My problem is that when I define a default route (internal IP of dsl 
 > modem for ISP1), all the outgoing packets only want to use that route 
 > (duh!),

That's expected behaviour, of course.  That's why it is
called the _default_ route.  All packets will take it,
unless there's a more specific route for the destination
address.

 > With no default route defined, I get the message - no route to destination.

Expected behaviour, too.

I'm not sure what you actually want to do.  Do you want to
use your two uplinks in a load-balancing fashion?  That's
not possible when using different ISPs for your uplinks
(even with the same ISP it's difficult).

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
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