Chapter 9 Troubleshooting Notebook-JF

Chapter 9 Troubleshooting Notebook-JF - Chapter 9...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 9 Troubleshooting Notebook BY: Jourdan Fletcher 1 Index Contents 2 OSI Model Figure 1-1 Used to troubleshooting network programs Top-down 3 o Troubleshooting starting with the application layer o Useful for solving application specific problems o Used by more experienced technicians Bottom- UP o A troubleshooting approach starting with the physical layer o Useful for solving connectivity problems o Used mainly by inexperienced technicians Divide- and Conquer o Approach specifically designed to resolve a network issue o Breaks down problem into smaller parts o Usually solves Routing issues, excessive broadcasts, NAT/PAT issue Trial and Error o Relies on experience and testing to solve a problem Substitution o Technique that uses functioning parts to test equipment 4 Troubleshooting Switching Figure 1-2 Trouble Shooting Connectivity o Ensure that the power LED is illuminated. (fig 1-2) o Ensure that the correct type of cable connects the end device to the switch. o Reseat the cables at both the workstation and the switch end. o Check the configuration to ensure that the port is in a no shutdown state. o Show Running-config Shows the config in RAM 5 Used to determine configuration problems Indicators of Loops o Loss of connectivity to, from, and through affected network regions o High CPU utilization on routers connected to affected segments o High link utilization up to 100% Switch does not receive BDPU o Forms Loops o Loss of connectivity to, from, and through affected network regions...
View Full Document

Page1 / 17

Chapter 9 Troubleshooting Notebook-JF - Chapter 9...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online