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ForeFront TMG Multiple Gateways

Hi Guys,

Is it possible to configure 2 x gateways in Forefront TMG,
We have two routers onsite to the internet.
We want to allocate some users to the one gateway and a group of more users to use the second gateway.

Could this be configured in ForeFront TMG?  I realize that the box will require 3 x network cards;
(1 x internal, 2 x external)
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Rupert Eghardt
Asked:
Rupert Eghardt
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1 Solution
 
Keith AlabasterCommented:
No - it can't. ISA and FTMG have no concept of protocol or user based routing in this context. You can route to different external gateways based on the destination IP address but this is more on the OS routing table rather than anything clever in ISA/FTMG.

Even using the ISP Failover/load-balancing options that now come with FTMG, the balancing is by traffic, not by source user or protocol.

Keith
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simonlimonCommented:
Maybe you could try using Networking rules, but you will have to filter by Source IPs and not by Usernames.
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Keith AlabasterCommented:
I say again, it will not work. Period.
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simonlimonCommented:
You can also try using ISP redundancy mode as explained, I know the question was different and this will be done dynamically.

http://www.isaserver.org/tutorials/Microsoft-Forefront-TMG-ISP-Redundancy-Mode.html
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Keith AlabasterCommented:
ISP redundancy only uses the alternative route if the primnary fails. ISP load-balancing allows the two connections to be used concurrently but splits the traffic either 50-50 or on a percentage basis selectable by the operator. It will not make decisions based upon protocol, source ip address, or other criteria.

Not trying to rain on anyone's parade but neither ISA or FTMG is geared to do what is being asked.
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Keith AlabasterCommented:
Are we done here?
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