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A Cisco router cannot operate without
the Cisco Internetworking Operating System (IOS). Each Cisco
router has a predetermined boot-up sequence for locating and
loading the IOS. This module will describe the stages and
importance of this boot up procedure.
Cisco internetworking devices
operate using several different files, including Cisco
Internetwork Operating System (IOS) images and configuration
files. A network administrator who wishes to keep the network
running smoothly and reliably must carefully manage these files to
ensure that the proper versions are used and that necessary
backups are performed. This module also describes the Cisco file
system and provides the tools to manage it effectively.
Students completing this module should be able to:
- Identify the stages of the
router boot sequence
- Determine how a Cisco device
locates and loads the Cisco IOS
- Use the boot system command
- Identify the configuration
register values
- Briefly describe the files used
by the Cisco IOS and their functions
- List the locations on the router
of the different file types
- Briefly describe the parts of
the IOS name
- Save and restore configuration
files using TFTP and copy-and-paste
- Load an IOS image using TFTP
- Load an IOS image using XModem
- Verify the file system using
show commands
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