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-rw-
6462268
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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
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.
Note
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
do write
or
do write memory
command updates the GRUB menu list of images available on the bootflash
disk.
Note
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
(638K lower / 3143616K upper memory)
[ 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. ]
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.
Example:
GNU GRUB
version 0.97
(638K lower / 3143616K upper memory)
+-------------------------------------------------------------------------+
| CSR1000v - csr1000v-universalk9.03.10.00.S.153-3.S-ext.SPA.bin
|
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
209
Upgrading the Cisco IOS XE Software
Loading the New System Image from GRUB Mode