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Multi-homing a Front End server.

Posted on 2006-10-25
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Last Modified: 2012-05-05
Hi,

I'd like to include some redundancy in our email service by
setting up primary / secondary MX records in DNS.

These would correspond to different public IPs, which would then
port forward to two different NICS on our Front End Exchange server.

Has anybody had any experience setting up a similar configuration?
Anything I should be aware of before I go ahead- or is it as straight forward
as it sounds?

Cheers.
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Question by:farfo
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Sembee earned 400 total points
ID: 17808070
You can only have one default gateway, and outbound traffic will only go out one way.
From an inbound traffic to the server point of view, Exchange couldn't care less where the traffic comes in.
However what you might want to do is look at one of the dual WAN port routers that are starting to appear. This would have your internet connections terminate on one router and the router would sort out the rest. The server would then have a single default gateway and you don't have to worry about it getting confused.

Simon.
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by:farfo
ID: 17808149
Thanks Simon.
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