Cisco ICND1 1.1: Optimizing and Troubleshooting Switch Security

This course is included in our On-demand training solution.


After physical access has been secured, there is growing need to ensure that access to the switch via the console port and the vty ports is secure. In addition, it is important to ensure that unused switch ports do not become a security hole. And as devices are added to LANs to accommodate more users, and more networked software applications require more bandwidth, maintaining an acceptable level of network performance becomes an increasing challenge. There are a number of ways to enhance switched Ethernet LANs to meet the demands of users for performance and availability. This course describes how to secure switch ports as well as several performance-enhancement methods. This course also describes methods for identifying and resolving common switched network issues.

Target Audience

Network administrators, network engineers, network managers, network designers, and project managers; individuals seeking the Cisco Certified Entry Network Technician (CCNET) certification and those individuals targeting the Cisco Certified Network Associate (CCNA) certification



Expected Duration

150 min.

Course Objectives

Switch Security

  • recognize the four classes of physical access threats
  • recognize how to configure password security and the login banner
  • Switch Security – Telnet and SSH

  • describe Telnet and SSH for remote access
  • Port Security

  • recognize how to configure port security
  • describe how to secure unused ports
  • Optimizing Switched Ethernet LANs

  • recognize the different ways in which switched Ethernet LANs can be optimized
  • Initial Switch Configuration

    Configuring Port Security On SwitchA

    Configuring Port Security

    Configuring Management Passwords

    Troubleshooting Switches

  • recognize how to identify and resolve common switched network media issues
  • recognize how to identify and resolve common port access issues
  • recognize how to identify and resolve common configuration issues
  • Troubleshooting No Connectivity

    Troubleshooting Slow Connectivity