Teacher management and problem solving techniques for the developing world a virtual private network (VPN) Learn the techniques of solving problems that every IT professional to run a virtual private network (VPN) must masterExperience real world solutions through practice scenarios in each chapterGain workplace essential reference guide for each site VPN management virtual private network (VPN) has become an important element of any service provider and enterprise networks, and grow in scope, demand, and integration into the network. IT professionals charged with managing the VPN are faced with various challenges and network problems, the resolution immediately and continue to be provided in order to preserve productivity, employee and client satisfaction, and overall network security. Troubleshooting Virtual Private Networks presents a systematic problem solving methodology which can be applied to a variety of VPN solutions. The following chapters then discuss L2F, L2TP version 2 and 3, PPTP, MPLS Layer-2 (Martini draft) and 3 (RFC 2547bis) VPNs, and IPSec problem solving techniques. Chapter begins with an overview of technology and the configuration before it presents a step-by-step approach to solve the problem.