Diagnosing and Correcting Switch and VLAN Problems in a Cisco Internetwork


Overview/Description
To describe the process for troubleshooting Catalyst switches and VLAN problems

Target Audience
Network engineers, network system analysts, and maintenance personnel responsible for troubleshooting network problems; anyone working towards the Cisco Certified Network Professional qualification

Prerequisites
The Interconnecting Cisco Network Devices (ICND) learning path; familiarity with the following learning paths would be advantageous: Building Scaleable Cisco Networks (BSCN), Building Cisco Remote Access Networks (BCRAN),and Cisco: Building Cisco Multilayer Switched Networks (BCMSN)

Expected Duration
260 Minutes

Objectives:

Diagnosing and Correcting Switch and VLAN Problems in a Cisco Internetwork

  • describe the architecture of a Catalyst switch.
  • detail troubleshooting procedures for Catalyst switches.
  • outline the functions and operations of the Catalyst Switched Port Analyzer.
  • give a description of the Spanning-Tree Protocol.
  • detail the commands used for troubleshooting STP.
  • describe Inter-Switch Link trunking protocol.
  • describe VLAN Trunk Protocol (VTP) processes and identify appropriate Catalyst commands for troubleshooting trunks.
  • describe diagnostic utilities on Catalyst switches.
  • describe diagnostic utilities on Catalyst switches and discuss problem isolation techniques.
  • troubleshoot Ethernet ports on a Catalyst switch.
  • troubleshoot a Catalyst switch.
  • discuss inter-VLAN design and configuration.
  • explain router-based VLAN configuration and troubleshooting.
  • explain the Spanning-Tree Protocol on the router, check VLANs, and describe guidelines for diagnosing and correcting network problems.
  • outline problem isolation considerations and troubleshooting techniques for VLANs using router debug commands.
  • troubleshoot VLANS.

  • Course Number: 40517_eng