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Network subnetting/design

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Last Modified: 2012-05-09
I have asked a similar question before but I need a little more detail. I currently have a network on the 10.0.50.0/24 network (Location A) and we are adding a new location (location B). I need communications (Data/Phone) between the two locations (location A and location B) and I am trying to figure out the best network address to assign to the new location (location B). I would like to use the 10.0.0.0/21 network for the Location B then eventually change location A the 10.0.0.0/21 (all I will need to do is change the subnet mask) network.
Until I get Location A on the same network as Location B how do I route between the two? 10.0.0.0/21 overlaps 10.0.50.0/24 network. What is my best solution so the two locations can communicate and I can have the 10.0.0.0/21 network at location B and 10.0.50.0/24 at location A? I will need more than 254 IP addresses at location B and eventually location A so another /24 network will not work. If you have any questions please ask. Any help is appreciated. Check out the network list attached.

List-of-networks.doc
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