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Community Member

VPN with same network at both ends

I have 2 buildings both with a T1 to the internet. At my main building I have a VPN 3015 concentrator and at the remote building I have a 1721 with IPSec feature set. I want to build a tunnel between the 2 buildings for voice traffic only. The phones are located in the remote building and the phone system computers are in the main building. Currently the sites are bridged by a satellite connection so both locations are on the same network (ex. 192.168.1.0 255.255.255.0). Is it possible to leave both sites on the same network and build a VPN tunnel or do I need to assign one of the buildings to a different network? The satellites will be reconfigured to support data traffic only.

Thanks in advance.

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Community Member

Re: VPN with same network at both ends

Community Member

Re: VPN with same network at both ends

Thanks for the links. Now I just need to figure out how to setup a 1721 router with the right NAT statements and I should be good to go.

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