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Troubleshooting Virtual Private Networks by Mark Lewis

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Case Studies

This section contains solutions for issues not covered in the main troubleshooting section of this chapter.

Figure 4-30 illustrates the topology used in Case Studies 1 through 4.

Figure 4-30. Topology for Case Studies 1 Through 4

The RADIUS server used in Case Studies 1 through 4 is a CiscoSecure Access Control Server (ACS) 3.0 running on a Windows 2000 server.

Case Study 1: Misconfigured L2TP Tunnel Definition on an AAA RADIUS Server

An alternative to storing tunnel configuration within VPDN groups on the LAC is to store it on an AAA server as tunnel definitions. Storing tunnel definitions on an AAA server is a convenient and easy ...

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