Can CAS and HUB Transport servers be in different network

I am creating couple 2010 HUB transport servers, I also want to create a CAS box.  Can CAS box be in different network than the HUB transport servers?
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MASEE Solution Guide - Technical Dept HeadCommented:
Yes you can but please let me know why you are keeping in different network?
May be we could propose something better.
FundFireAuthor Commented:
Not sure why the network guys want me to do this but I will find out.  

One last thing that I forgot to mention is that the hub transport and mailbox role will be on the same box, so the real question is the can mailbox role, hub transport be one box and one network and the cas be in a different network?
MASEE Solution Guide - Technical Dept HeadCommented:
Recommended way of installation is HUB/CAS is in one box and MBX in another box.

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MASEE Solution Guide - Technical Dept HeadCommented:
Why you marked the first post as answer. Is it by mistake?
If yes please click on request attention to open the question for you and select the right one as answer
MASEE Solution Guide - Technical Dept HeadCommented:
Thanks for marking correct answer and thanks for the points
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