Exchange 2013 network setting

Dear All,
what is the best practice about the number of network card to be used in exchange 2013 design

Can we consider 3 network card to use ?
•      one for MAPI
•      one for DAG
•      one for communication with load balancer (loopback with F5 in my environment)
Thanks in advance for your help
MbouchamaAsked:
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SreRajCommented:
Hi,

It is always good to team two interfaces and create a Virtual Team Interface. This increases fault tolerance and even if one NIC goes down, other will be available and there will not be any impact to functioning of server. You could use utilities provided by vendor like HP Network Configuration Utility for teaming. If you are using Windows Server 2012, then it has built-in teaming option, you could utilize that as well.

I feel for MAPI and connectivity to load balancer you could use the same interface. That will handle all user data transfers. For DAG/Replication traffic you could use another interface. So if you are using teaming then you would required 4 NICs on server. First 2 NICs can be teamed for MAPI and other 2 NICs  can be teamed for DAG traffic.

Also, if you are taking backup of the server and want to seperate backup traffic, you could use another interface for it. Again if you want to team backup interface, you could require two more NICs on server. That will make total count of NICs on server to 6.

Please refer Network Requirements section in the following article.

http://technet.microsoft.com/en-us/library/dd638104(v=exchg.150).aspx
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