How To Upgrade The System Image; Saving Backup Copies Of Your Old System Image And Configuration - Cisco 2800 Series Manual

Upgrading the System Image

How to Upgrade the System Image

This section provides information about performing the following tasks:
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Saving Backup Copies of Your Old System Image and Configuration

To avoid unexpected downtime if you encounter serious problems using your new system image or
startup configuration, we recommend that you save backup copies of your current startup configuration
file and Cisco IOS software system image file on a server.
For more detailed information, see the "Managing Configuration Files" chapter and the "Loading and
Maintaining System Images" chapter of the
Management Configuration
To save backup copies of the startup configuration file and the system image file, complete the following
steps.
SUMMARY STEPS
1.
2.
3.
4.
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Router> enable
Step 2
copy nvram:startup-config {ftp: | rcp: | tftp:}
Example:
Router# copy nvram:startup-config ftp:
Saving Backup Copies of Your Old System Image and Configuration, page 3
Ensuring Adequate DRAM for the New System Image, page 4
Ensuring Adequate Flash Memory for the New System Image, page 6
Copying the System Image into Flash Memory, page 10
Loading the New System Image, page 17
Saving Backup Copies of Your New System Image and Configuration, page 22
Guide.
enable
copy nvram:startup-config {ftp: | rcp: | tftp:}
dir flash:
copy flash: {ftp: | rcp: | tftp:}
Cisco IOS Configuration Fundamentals and Network
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Copies the startup configuration file to a server.
The configuration file copy can serve as a backup copy.
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Enter the destination URL when prompted.
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How to Upgrade the System Image
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