Subcategories

Cisco - Troubleshooting Virtual Private Networks

Posted By: Alteklafte

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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