Cisco CSR 1000v Series Software Configuration Manual page 221

Upgrading the Cisco IOS XE Software
1580 -rw-
63930368 bytes total (51007488 bytes free)
Step 2 configure terminal
Use this command to enter global configuration mode:
Example:
Router# configure terminal
Router(config)#
Step 3 boot system bootflash:system-image-filename.bin
Note If the new system image is the first file or the only file displayed in the dir bootflash: command output , you
do not need to perform this step.
Use this command to load the new system image after the next system reload or power cycle. For example:
Example:
Router(config)# boot system bootflash:
csr1000v-universalk9.03.10.00.S.153-3.S-ext.SPA.bin
Step 4 do write
or
do write memory
Example:
Router(config)# do write memory
This step is required beginning with Cisco IOS XE Release 3.9S if upgrading to a later version. Entering the
Note
do write or do write memory command updates the GRUB menu list of images available on the bootflash
disk.
Step 5
config-register 0x0000
Use this command to enter GRUB mode.
The following shows an example of entering GRUB mode.
Example:
Router(config)# config-register 0x0000
GNU GRUB version 0.97
[ Minimal BASH-like line editing is supported.
lists possible command completions.
completions of a device/filename.
grub> help
[ Minimal BASH-like line editing is supported.
lists possible command completions.
completions of a device/filename.
confreg [VALUE]
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.
Example:
GNU GRUB version 0.97
+-------------------------------------------------------------------------+
| CSR1000v - csr1000v-universalk9.03.10.00.S.153-3.S-ext.SPA.bin
6462268 Mar 06 1993 06:14:02 csr1000v-ata
(638K lower / 3143616K upper memory)
ESC at any time exits to menu. ]
ESC at any time exits to menu. ]
help [--all] [PATTERN ...]
(638K lower / 3143616K upper memory)
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
Loading the New System Image from GRUB Mode
For the first word, TAB
Anywhere else TAB lists the possible
For the first word, TAB
Anywhere else TAB lists the possible
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