Troubleshooting
Copying a Cisco IOS Image to Flash Memory
Enabling Booting from Flash Memory
To disable Break (after 60 seconds) and enable the boot system flash command, enter the
Router> enable Password: enablepassword Router# config term
Enter configuration commands, one per line.
Edit with DELETE, CTRL/W, and CTRL/U; end with CTRL/Z
^Z
Router#
Copying a Cisco IOS Image to Flash
Memory
You may need to copy a new Cisco IOS image to Flash memory whenever a new image or maintenance release becomes available. Use the instructions on page
Take the following steps to copy a new image to Flash memory:
1.Enter the show flash command to make sure there is enough space available before copying a file to Flash memory. Compare the size of the file you want to copy to the amount of available Flash memory displayed.
2.Make a backup copy of the current image.
3.Enter enable mode and then enter the copy tftp flash command to copy the new image into Flash memory:
Router> enable
Password: enablepassword
Router# copy tftp flash
Maintenance