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CCNA Quick Reference Sheets (CCNA Exam 640-802) by Jim Doherty, Eric Rivard

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Chapter 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:

  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.

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

  3. Observe the boot sequence.

Switch LED Indicators

Figure 6-1 shows the LEDs on the front panel of the switch. These LEDs provide information ...

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