CCNA Quick Reference Sheets (CCNA Exam 640-802)

Section 6. Configuring a Cisco Switch

Starting a Switch

When a Catalyst switch is started for the first time, a default configuration is loaded. Three main operations are performed during normal startup:

1. A power-on self test (POST) checks the hardware.

2. A startup routine initiates the operating system.

3. Software configuration settings are loaded.

Initial startup procedure:

Step 1. Before you start the switch, verify the following:

• All network cable connections are secure.

• A terminal is connected to the console port.

• A terminal application is selected.

Step 2. Attach the switch to the power source to start the switch (there is no on/off switch).

Step 3. Observe the boot sequence.

Switch LED Indicators

Figure 6-1 shows the LEDs on ...