Troubleshooting Problems
The second half of this chapter will focus on using tools on the concentrator to troubleshoot common problems, including:
ISAKMP/IKE Phase 1 problems, such as
- Policy mismatches
- Authentication problems, including device pre-shared key authentication mismatches, device certificate authentication issues, and user authentication issues
ISAKMP/IKE Phase 2 transform set mismatches
Note
Following chapters will discuss many more topics on troubleshooting; for example, Chapter 12, “Cisco VPN Software Client,” discusses problems with MTU and address translation, and Chapter 19, “Troubleshooting Router Connections,” discusses problems with fragmentation.
ISAKMP/IKE Phase 1 Problems
In this section I’ll cover some common experiences ...
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