CCNA 新版（英文）D20S01L02.pps

© 2002, Cisco Systems, Inc. All rights reserved.
© 2002, Cisco Systems, Inc. All rights reserved.
2
Starting a Switch
Objectives
pleting this lesson, you will be able to:
Start an access layer switch and recognize the normal boot sequence
Use mand-line interface to interact with the Cisco IOS software, given an operational access layer switch
Use the online help facilities associated with mand-line interfaces, given an operational access layer switch
System startup routines initiate switch software.
Initial startup uses default configuration parameters.
Initial Startup of the Catalyst Switch
Catalyst 1900 Switch LED Indicators
Catalyst 2950 Switch LED Indicators
Port LEDs During Switch POST
1. At the start, all port LEDs are green.
2. Each LED turns off after its pletes.
3. If a test fails, its LED turns amber.
4. System LED turns amber if any test fails.
5. If no test fails, pletes.
6. On pletion, LEDs blink,  then turn off.
Initial Bootup Output from the Catalyst 1900 Switch
Initial Bootup Output from the Catalyst 2950 Switch
--- System Configuration Dialog ---

At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[ ]'.
Continue with configuration dialog? [yes/no]: yes
Enter IP address: ip_address
Enter mask: mask
Would you like to enter a default gateway address? [yes]: yes
IP address of the default gateway: ip_address
Enter a host name: host_name
Enter enable secret: secret_password
Would you like to configure a password? [yes] yes
Enter password: _password
Would you like to enable as a mand switch? no
Enter cluster name: cls_name
Logging In to the Switch and Entering the Enable Password