DSL Load balancing

Unanswered Question
May 20th, 2008
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I have a scenario where we have 2 dsl (pppoe)lines from the same ISP and a leased line to the Internet. All 3 lines will be terminated on the same router.

A switch with vlans will sit on the LAN side of the router and an ASA 5510 cluster will be connected to the switch so it can communicate with the router.

I want to use policy based routing so that email will flow in and out over the leased line and all other traffic will go out over the 2 dsl lines for load-balancing.

There is enough public ip addresses for the inside and outside of the router and for the firewall interfaces.

I am unsure as to how I would configure the load-balancing end and how I would configure the LAN side of the router so the firewall can talk to it.

The firewall can only have 1 default gateway.

Should I configure virtual interfaces on the router's lan side, and on the firewall, so the firewall can talk to the different public IP ranges??


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