Troubleshooting VPN Connections

Of course, once you have created the configuration on the client and concentrator, there’s no guarantee it will work the first time you try to bring up a session. I’ve already talked about a few troubleshooting processes related to routing previously in the chapter. Now I’ll focus on tools you can use on the concentrator and the Microsoft client.

Concentrator Troubleshooting Tools

I already have discussed most of the tools you can use on the concentrator to troubleshoot connectivity problems (see Chapter 11, “Verifying and Troubleshooting Concentrator Connections”). First, I would use the Filterable Event Log, since it is less CPU-intensive for the concentrator, and it supports filtering actions. Because the ...

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