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Master advanced troubleshooting techniques for IPSec, MPLS Layer-3, MPLS Layer-2 (AToM), L2TPv3, L2TPv2, PPTP, and L2F VPNs
Troubleshooting Virtual Private Networks presents a systematic troubleshooting methodology for network engineers, administrators, and architects tasked with managing and deploying Cisco IOS VPNs. With eight self-contained chapters designed to facilitate rapid and straightforward troubleshooting, this book provides detailed information on addressing all common and not-so-common issues with IPSec VPNs, MPLS Layer-3 VPNs, Any Transport over MPLS (AToM)-based Layer-2 VPNs, L2TP Version 3 (L2TPv3)-based Layer-2 VPNs, L2TP Version 2 (L2TPv2) VPNs, PPTP VPNs, and L2F VPNs. This book not only shows you how to correct problems but also how to avoid them in the first place with expert VPN configuration guidance and optimization tips.
Each chapter in Troubleshooting Virtual Private Networks includes a step-by-step, end-to-end troubleshooting approach to a different VPN technology. In-depth technical discussions and configuration reviews orient you to the VPN technology and get you ready to work. To help you access the answers you need, you'll find flowcharts in each chapter that provide a roadmap for rapid issue resolution. Solutions to complex or unusual issues can be found in case studies at the end of each chapter, along with review questions that test your knowledge. Bonus troubleshooting labs are also included to help you consolidate the skills learned throughout the book.
Whether you are looking to update or hone your skills, Troubleshooting Virtual Private Networks is your first and last reference for mastering advanced VPN troubleshooting.
This book is part of the Networking Technology Series from Cisco Press¿ which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.
Basic Troubleshooting Methodology. reparatory Steps: Baselining Your Network. What to Do When Problems Occur. Open Systems Interconnection Model. End-to-End, Bottom-Up (or Top-Down) Troubleshooting. Troubleshooting Tools. Summary.
Technical Overview of L2F. Configuring L2F. Troubleshooting L2F. Case Studies. Additional Commands for Troubleshooting. Error Messages. show and debug Command Summary. Review Questions. Troubleshooting Practice Labs.
Technical Overview of PPTP. Configuring PPTP. Troubleshooting PPTP. Case Studies. Additional Troubleshooting Commands. show and debug Command Summary. Review Questions.
L2TPv2 Technical Overview. Case Studies. Additional L2TP Troubleshooting Commands. Error Messages. show and debug Command Summary. Review Questions. L2TP Troubleshooting Practice Labs.
Technical Overview of L2TPv3. Configuring L2TPv3. Troubleshooting L2TPv3. Other Commands. Command Summary. Review Questions.
Technical Overview. Configuring MPLS VPNs. Configuring MVPNs. Configuring TE Tunnels to Carry MPLS VPN Traffic. Troubleshooting MPLS VPNs. Case Studies. Additional Troubleshooting Commands. show and debug Command Summary. Review Questions. MPLS VPN Troubleshooting Practice Labs.
Technical Overview of AtoM. Configuring AtoM. Troubleshooting AtoM. Other AToM Troubleshooting Commands. Troubleshooting AToM: Command Summary. Review Questions.
Technical Overview of IPSec. Configuring IPSec VPNs. Troubleshooting IPSec VPNs. Case Studies. Additional Troubleshooting Commands. show and debug Command Summary. Review Questions. Practice Labs.
Chapters 2-8 Review Questions & Answers.
Setting Up Your Routers and Loading the Configuration Files. Chapter 2: L2F Troubleshooting Lab Solutions. Chapter 4: L2TPv2 Troubleshooting Lab Solutions. Chapter 6: MPLS Layer 3 VPN Troubleshooting Lab Solutions. Chapter 8: IPSec Troubleshooting Lab Solutions.