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Cisco CSR 1000V Series Cloud Services Router Software Configuration Guide
OL-27477-07
Chapter 9 Upgrading the Cisco IOS XE Software
Saving Backup Copies of Your New System Image and Configuration
grub> help
[ Minimal BASH-like line editing is supported. For the first word, TAB
lists possible command completions. Anywhere else TAB lists the possible
completions of a device/filename. ESC at any time exits to menu. ]
confreg [VALUE] help [--all] [PATTERN ...]
grub>
Step 6 At the grub> prompt, enter ESC to access the GRUB menu.
The GRUB menu displays, showing the images that are available to boot.
GNU GRUB version 0.97 (638K lower / 3143616K upper memory)
+-------------------------------------------------------------------------+
| CSR1000v - csr1000v-universalk9.03.10.00.S.153-3.S-ext.SPA.bin |
| CSR1000v - packages.conf |
| CSR1000v - GOLDEN IMAGE |
| |
| |
| |
| |
| |
| |
| |
| |
| |
+-------------------------------------------------------------------------+
Use the ^ and v keys to select which entry is highlighted.
Press enter to boot the selected OS, or 'c' for a command-line.
Select the image to boot the router from using the up and down arrow key. To return to the GRUB prompt,
enter the letter c.
Step 7 Select the .bin file to upgrade the software image on the router to the new version.
Step 8 Press Enter to boot the selected image to begin the upgrade process.
Saving Backup Copies of Your New System Image and
Configuration
To aid file recovery and to minimize downtime in the event of file corruption, we recommend that you
save backup copies of the startup configuration file and the Cisco IOS software system image file on a
server.
Tip Do not erase any existing backup copies of your configuration and system image that you saved before
upgrading your system image. If you encounter serious problems using your new system image or startup
configuration, you can quickly revert to the previous working configuration and system image.
To save backup copies of the startup configuration file and the system image file, complete the following
steps.