Chapter 7

Troubleshooting

The Following CCNA Routing and Switching Exam Objectives Are Covered in This Chapter:

  • Identify and correct common network problems.
  • Utilize netflow data.
  • Troubleshoot and correct common problems associated with IP addressing and host configurations.
  • Troubleshoot and Resolve VLAN problems.
    • identify that VLANs are configured
    • port membership correct
    • IP address configured
  • Troubleshoot and Resolve trunking problems on Cisco switches.
    • correct trunk states
    • correct encapsulation configured
    • correct vlans allowed
  • Troubleshoot and Resolve Spanning Tree operation issues.
    • root switch
    • priority
    • mode is correct
    • port states
  • Troubleshoot and Resolve routing issues.
    • routing is enabled
    • routing table is correct
    • correct path ...

Get CCNA Routing and Switching Review Guide: Exams 100-101, 200-101, and 200-120 now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.