Chapter 7: Internetworks and Network Layer Concepts and Components 281
tomer needs to connect to the facility. While this solution is still implemented at this writ-
ing, initial results are very positive and the cost savings described in this example are real.
45. What are some typical VPN configurations?
There are many different types of configurations possible. A brief description of the
more salient ones follows:
Router-to-Router VPN-on-Demand Tunnel Connections Between Sites In this imple-
mentation, a VPN-capable router is set up to know that when a connection is made to a
specific IP address on the connected network, it should set up an encrypted ...
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