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johnstrait

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Multiple ISP with out BGP and Cisco ASA 5510

Hey everyone, my question involves using multiple ISP's without BGP

Here's what I have

ISP connection 1 (one T1) Call them 208.x.x.1 Cisco 2800 1 - inside interface
ISP Connection 2 (2 T1's - Multilink-FrameRelay) 76.x.x.126 Cisco 2800 2 -  Inside Interface

Cisco ASA 5510

12 Internal Subnets - 192.168.1.x - 182,168.12.x

The issue:
ISP connection 1 has been in place for a while now and it is 100% completely saturated
Public IP's are routing to the internal subnets for smtp, http and specific TCP traffic

ISP Connection 2 is a new installation from a different provider

I would like to set this up so that the ASA has one default GW and the external router(s) route the traffic based on where it came from, I.E. if an external smtp request came in on the 208 it goes back out the 208, if it came from inside my network it goes out ISP connection 2 with the exception of the publicly known addresses such as mail hosts, web hosts, etc

Now, I might be completely wrong it even thinking I can do this, but does anyone have any suggestions, example configs, or advice on this one?
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Avatar of Les Moore
Les Moore
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