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Exchange 2010 DAG

Posted on 2016-08-08
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Last Modified: 2016-08-12
Hi all,

If in a 2 node DAG, I have my MAPI and Replication NICs on the same subnet, then on my DAGNetwork01 interface, should I see all 4 IPs ?

Because I have seen everywhere (and in best practice) that DAGNetwork01 is created for MAPI and DAGNetwork02 for Replication and we uncheck the Replication box for MAPI. But in my case, what would be your suggestion ?

Thanks everyone.

Regards
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-MAS earned 500 total points
ID: 41747600
It is recommended to have isolated network for replication.
If you have 4 NICs connected to one single switch create one more network and give an IP range below and no need gateway. and untick DNS registration.
Node1 IP 1.1.1.1 255.255.255.248
Node2 IP 1.1.1.2 255.255.255.248

If you still want to keep 4 NICs for MAPI network you can add these NICs and you can all 4 IPs.

Thanks
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by:Exchange User
ID: 41748752
Hi MAS,

Thank you for your reply.

If I only have one DAG network, so should I see all 4 IPs in there or only 2 should show up ?
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Expert Comment

by:-MAS
ID: 41748758
If you have configured the  4 IPs all the 4 IPs should in the DAG properties.

Thanks
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