Using a Wireless VPN
When you design a VPN to protect the data on your network as it passes through the wireless link, it's important to understand exactly where the end points of the VPN tunnel are located. If the VPN only tunnels through the wireless link, as shown in Figure 15-14, the network will look exactly the same as it does without a VPN.
Figure 15-14. A wireless VPN with the server at the access point protects data through the wireless link, but it does not extend the network.
If the VPN extends beyond the wireless access points to pass through a wide area network (such as the Internet), like the one in Figure 15-15, the wireless network ...