This is the eBook version of the printed book.
Troubleshooting Virtual Private Networks
Master advanced troubleshooting techniques for IPSec, MPLS Layer-3, MPLS Layer-2 (AToM), L2TPv3, L2TPv2, PPTP, and L2F VPNs
* Learn the step-by-step, end-to-end methodology essential for troubleshooting virtual private networks (VPNs)
* Gain the in-depth knowledge necessary for fast and efficient troubleshooting of IPSec, MPLS Layer-3, MPLS Layer-2 (AToM), L2TPv3, L2TPv2, PPTP, and L2F VPNs
* Master advanced troubleshooting tools and techniques for all applicable VPN types
* Debug and fix IPSec site-to-site and remote access VPN issues, such as IKE (ISAKMP) phase 1 and phase 2 negotiation failure, ESP and AH traffic drops, certificate enrollment failures, and maximum transmission unit (MTU) problems
* Locate and resolve MPLS Layer-3 VPN problems, such as those involving route exchange and label switched path (LSP) failure, MPLS VPN over traffic engineering tunnels, and Multicast VPNs (MVPN)
* Discover solutions for issues in AToM and L2TPv3-based Layer-2 VPNs, including pseudowire setup failures, attachment circuit problems, and MTU issues
* Obtain answers for L2TPv2, PPTP, and L2F control connection establishment, session setup, PPP negotiation, and VPN performance issues
* Refer to specially designed flowcharts to identify issues and find solutions fast
* Consolidate VPN troubleshooting knowledge through bonus hands-on labs
* Read and understand detailed analysis of all relevant VPN show and debug command output
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