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Two Internet Connections on one ISA Server

Posted on 2008-06-23
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Last Modified: 2012-05-05
Hello,

I have a ISA server with four interfaces. One is LAN, another is DMZ. The third is of course the internet interface. This is all working fine.

I have two SDSL modems and what I want to do is to have site-to-site VPN go through one interface and all other traffic through the other. Physically, there is no problem, of course. But after adding the fourth interface, I'm kinda puzzled on how to configure this. I have two internet connections so I also have two gateways to set up. I want to use a specific internet interface based on the protocol used.

Is this even possible? How would I do it? If this is not possible, what would be a good alternative?

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Question by:AimToPlease
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Stephen Manderson earned 250 total points
ID: 21846343
Hi there,

I am afraid this is not something ISA can offer. In order to use both lines you will have to look at purchasing a dual wan router and setup network load balancing on the device. That way you can take advantage of the 2 lines.

Regards
Steve
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