1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 5 Managing Cisco IOS...
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Transcript of 1 © 2003, Cisco Systems, Inc. All rights reserved. CCNA 2 v3.0 Module 5 Managing Cisco IOS...
1© 2003, Cisco Systems, Inc. All rights reserved.
CCNA 2 v3.0 Module 5 Managing Cisco IOS Software
222© 2003, Cisco Systems, Inc. All rights reserved.
Objectives
• Router boot sequence and verification
• Managing the Cisco file system
333© 2003, Cisco Systems, Inc. All rights reserved.
Router Startup Sequence
444© 2003, Cisco Systems, Inc. All rights reserved.
Locating Cisco IOS Software
555© 2003, Cisco Systems, Inc. All rights reserved.
Using the boot system Command
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.
777© 2003, Cisco Systems, Inc. All rights reserved.
Identifying Boot Image Source
888© 2003, Cisco Systems, Inc. All rights reserved.
Software Components in Memory
999© 2003, Cisco Systems, Inc. All rights reserved.
Fields in the IOS Name
101010© 2003, Cisco Systems, Inc. All rights reserved.
Managing Configuration Files Using TFTP
111111© 2003, Cisco Systems, Inc. All rights reserved.
Managing Configuration Files Using Copy and Paste
121212© 2003, Cisco Systems, Inc. All rights reserved.
Managing IOS Images Using TFTP
131313© 2003, Cisco Systems, Inc. All rights reserved.
The confreg Command
141414© 2003, Cisco Systems, Inc. All rights reserved.
Managing IOS Using XModem
151515© 2003, Cisco Systems, Inc. All rights reserved.
The tftpdnld Command
161616© 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
171717© 2003, Cisco Systems, Inc. All rights reserved.
The show flash Command