I am new to the VPN World, though I have been reading quite a bit on it. I need to implement a VPN as follows:
We have about 15 locations, some of which have a Dynamic IP. Our central location (HO) uses a Static IP. Most of the others have connectivity via ADSL or leased lines. Each location has maximum 5 servers and several nodes NATed behind a firewall/router.
The goal is to be able to communicate with the servers at each location from our HO and vice versa. The nodes at the locations themselves need not communicate with HO or with other locations, neither should the servers at one location communicate with servers at other location, except HO. The current IP assignment at all the locations are on 192.168.0.1/24, etc. Thus some locations have overlap of IP addresses, since they were not networked with each other till now.
My dilemma is on chosing the type of VPN config: Road Warrior or Net-Net. In order to keep the setup at locations minimal, I am considering setting up an ASL box at HO, and installing Sentinel on all remote servers. Pls guide me whether this is at all possible in the above setup.
Also, irrespective of the above, will each of these servers connecting on the VPN have an altogether separate IP allotment done in Sentinel, of the form 10.0.0.x to avoid the IP overlap issue between locations, without disturbing the existing LAN setup?
Any help/pointers on the above will greatly help me decide on the approach.
Thanks,
Cringer
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