[LARTC] dual-isp incoming traffic problems

[Daniel Wittenberg]

Sounds like you are right on track to what I've got.  Dual - isp, no BGP
(DSL connections),and 3 interfaces, with at least a /28 on each ISP
connection.

That would be great if you have any insight!

Dan

On Tue, 2005-10-11 at 17:58 -0600, David Boreham wrote:
> Daniel Wittenberg wrote:
> 
> >I have two ISP connections, and am having some issues.  I can connect to
> >any services on the firewall, like the smtp gateway, but anything on the
> >internal server only works from one connection. 
> >
> I think we do what you're trying to achieve, but before I spend
> the time to dive into the details, let's confirm what you're looking to do:
> You have two upstream connections and separate public IP
> subnet allocations from each ISP, yes ? You're not running BGP, right ?
> You have a single Linux router that has three physical interfaces :
> one connects to ISP A, the next to ISP B and the third to the internal
> network, correct ?
> 
> Let me know if I got all this right. If so then we run much the
> same setup here and I can tell you how we configured it
> (I do remember it took several days of reading kernel
> source code and tcpdump'ing to get it all working).
> 
> 
>