1. 1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 5 Managing Cisco IOS Software

2. 222 © 2003, Cisco Systems, Inc. All rights reserved. Objectives Router boot sequence and verification Managing the Cisco file system

3. 333 © 2003, Cisco Systems, Inc. All rights reserved. Router Startup Sequence

4. 444 © 2003, Cisco Systems, Inc. All rights reserved. Locating Cisco IOS Software

5. 555 © 2003, Cisco Systems, Inc. All rights reserved. Using the boot system Command

6. 666 © 2003, Cisco Systems, Inc. All rights reserved. Configuration Register Values The order in which the router looks for system bootstrap information depends on the Boot Field setting in the configuration register. You can change the default configuration register setting with the global configuration mode command config-register. Use a hexadecimal number as the argument for this command.

7. 777 © 2003, Cisco Systems, Inc. All rights reserved. Identifying Boot Image Source

8. 888 © 2003, Cisco Systems, Inc. All rights reserved. Software Components in Memory

9. 999 © 2003, Cisco Systems, Inc. All rights reserved. Fields in the IOS Name

10. 10 © 2003, Cisco Systems, Inc. All rights reserved. Managing Configuration Files Using TFTP

11. 11 © 2003, Cisco Systems, Inc. All rights reserved. Managing Configuration Files Using Copy and Paste

12. 12 © 2003, Cisco Systems, Inc. All rights reserved. Managing IOS Images Using TFTP

13. 13 © 2003, Cisco Systems, Inc. All rights reserved. The confreg Command

14. 14 © 2003, Cisco Systems, Inc. All rights reserved. Managing IOS Using XModem

15. 15 © 2003, Cisco Systems, Inc. All rights reserved. The tftpdnld Command

16. 16 © 2003, Cisco Systems, Inc. All rights reserved. File System Verification There are several commands that can be used to verify the router file system. show version show flash

17. 17 © 2003, Cisco Systems, Inc. All rights reserved. The show flash Command