Exch 2013 DAG network question

I have setup a dag between 2 exch 2013 servers. 1 is at the main site and the other 1 is at the DR site which is on a different subnet but on the same domain.
My question is that when Is setup the DAG, I added an IP address for the DAG on the main site network and then I also added one for the DR site IP address.. Do I really need the second IP address assigned to the DAG for the remote site?
Reason I am asking is that the DAG and dbs copies all seem to be working fine but when I run the cluster mgr and run the Validate configuration it says that the second ip for the remote site that I added is not doing anything.. So I guess I could remove this IP?
I have the replication of the dbs going on separate IPs from the regular network traffic like it should be.
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vmichAsked:
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Jason CrawfordTransport NinjaCommented:
If you're on 2013 SP1 CU4 or higher you don't need to assign an IP to the DAG.  Check this article:

http://itprocentral.com/how-to-create-a-dag-in-exchange-server-2013-sp1-without-aap/

I manage a DAG for one of my clients stretched between two data centers, and the assigned IP is 255.255.255.255.  Works flawlessly and there is no CNO to deal with.

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vmichAuthor Commented:
no ip needed
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