CCNA 3 v3.1 Module 6 Switch Configuration

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Objectives

LAN Design Goals Functionality Scalability Adaptability Manageability

Physical Startup of Catalyst Switches Switches typically have no power switch to turn them on and off. They simply connect or disconnect from a power source.

Switch LED Indicators

Verifying Port LEDs During Switch POST

Connecting a Switch to a PC

Examining Help in the Switch CLI

Show Commands in User EXEC Mode

Verifying the Catalyst Switch Default Configuration show running-config show interface show vlan show flash show version

Configuring the Catalyst Switch To overwrite any existing configuration, follow these steps: Remove any existing VLAN information by deleting the VLAN database file, vlan.dat from the Flash memory directory. Erase the backup configuration file startup-config. Reload the switch.

Configuring the Catalyst Switch Web Management Interface

Managing the MAC Address Table Switches learn the MAC addresses of PCs or workstations that are connected to their switch ports by examining the source address of frames that are received on that port.

Configuring Static MAC Addresses

Configuring Port Security

Executing Adds, Moves, and Changes

Managing Switch Operation An administrator should document and maintain the operational configuration files for networking devices. The most recent running-configuration file should be backed up on a server or disk. The Cisco IOS Software should also be backed up to a local server. The Cisco IOS Software can then be reloaded to Flash memory if needed.

Passwords For security and management purposes, passwords must be set on the console and vty lines. An enable password and an enable secret password must also be set.

Firmware and IOS Images

Summary