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6: VPN Configuration
Overview
Virtual Private Network (VPN), is a connection between two end points. It allows private data to
be sent securely over a public network, such as Internet. VPN establishes a private network that can
send data securely between two networks. We call this is by creating a “tunnel”. A VPN tunnel
connects the two PCs or networks
Planning the VPN
When planning your VPN, you must make following choices first.
1. If the remote end were a network, the two-endpoint network must have different LAN IP address
ranges. If the remote endpoint is a single PC running a VPN client, its destination address must
be a single IP address, with subnet mask of 255.255.255.255
2. Will you be using the Internet Key Exchange (IKE) setup, or Manual Keying, in which you must
specify each phase of the connection.
3. What encryption level you are going to use (DES or 3DES)?
Note: The VPN 800/2 Firewall Router uses industry standard VPN protocol. However, due to
variations in how manufactures interpret these standard, many VPN products are not interoperable.
Although the VPN 800/2 Firewall Router can interoperate with many other VPN products. It is not
possible for VPN 800/2 Firewall Router to provide specific technical support for every other product.