This convenient Lab Companion provides you with the complete collection of 14 labs specifically written to supplement the CCNP 4: Network Troubleshooting course in the Cisco Networking Academy Program. In addition, 14 supplementary labs and 2 case studies are included to help reinforce the concepts introduced in the online course and Companion Guide. The labs are designed to give you practice troubleshooting basic to complex issues associated with networking and routing. Network troubleshooting has evolved into a much more systematic process since the early days of networking. CCNP 4: Network Troubleshooting Lab Companion covers topics including documentation, baselining, troubleshooting tools, troubleshooting methodologies, and per-OSI-layer troubleshooting techniques. This book provides hands-on practice for attacking network problems in a methodical fashion. Using the OSI model as a subtext for describing the process of network troubleshooting, the labs work through step-by-step procedures to identify and solve network problems. Up-to-date methods consistent with the latest Cisco IOS releases are employed to efficiently and logically resolve network issues. Successful completion and understanding of the topics covered in the labs help you to prepare for the Cisco Internetwork Troubleshooting exam (#642-831), which is a qualifying exam for the CCNP certification

Chapter 1 Documenting and Baselining the Network
Chapter 2 Troubleshooting Methodologies and Tools
Chapter 3 Troubleshooting at the Physical Layer
Chapter 4 Layer 2 Troubleshooting
Chapter 5 Layer 3 Troubleshooting
Chapter 6 Layer 4 Troubleshooting
Chapter 7 Layer 1-7 Troubleshooting

Appendix A Supplemental Troubleshooting Labs and Case
Studies