Accessing the WAN – Chapter 8

Network Troubleshooting. Objectives: In this chapter, you will learn to: Establish and document a network baseline. Describe the various troubleshooting methodologies and troubleshooting tools. Describe the common issues that occur during WAN implementation. Identify and troubleshoot common enterprise network implementation issues using a layered model approach. | 11 I a 111 CISCO Network Troubleshooting Accessing the WAN - Chapter 8 ITE I Chapter 6 2006 Cisco Systems Inc. All rights reserved. Cisco Public 1 Cisco Thai Nguyen Networking Academy Objectives In this chapter you will learn to - Establish and document a network baseline. - Describe the various troubleshooting methodologies and troubleshooting tools. - Describe the common issues that occur during WAN implementation. - Identify and troubleshoot common enterprise network implementation issues using a layered model approach. ITE 1 Chapter 6 2006 Cisco Systems Inc. All rights reserved. Cisco Public 2 Cisco Thai Nguyen Networking Academy Documenting Your Network To efficiently diagnose and correct network problems a network engineer needs to know network baseline . -This information is captured in documentation. Network documentation include 3 components 1. Network configuration table 2. End-system configuration table 3. Network topology diagram 1. Network Configuration Table -Contains up-to-date records of hardware and software Type of device model designation IOS image name Device network hostname Location of the device building floor room rack panel If it is a modular device include all module types and in which module slot they are located Data link layer addresses Network layer addresses Any additional important information about physical aspects of the device ITE 1 Chapter 6 2006 Cisco Systems Inc. All rights reserved. Cisco Public

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