December 2005
Intermediate to advanced
1032 pages
29h 12m
English
Content preview from The Complete Cisco VPN Configuration Guide
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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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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.