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9-6
Cisco CSR 1000V Series Cloud Services Router Software Configuration Guide
OL-27477-07
Chapter 9 Upgrading the Cisco IOS XE Software
Loading the New System Image
Step 4 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
in Step 1, 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:
Router(config)# boot system bootflash:csr1000v-universalk9.03.10.00.S.153-3.S-ext.SPA.bin
Step 5 (Optional) Repeat Step 4 to specify the order in which the router should attempt to load any backup
system images.
Step 6 exit
Use this command to exit global configuration mode:
Router(config)# exit
Router#
Step 7 write
or
write memory
Router# write memory
Note This step is required beginning with Cisco IOS XE Release 3.9S if upgrading to a later version. Entering
the write or write memory command updates the GRUB menu list of images available on the bootflash
disk.
Step 8 show version
Use this command to display the configuration register setting:
Router# show version
Cisco Internetwork Operating System Software
.
.
.
Configuration register is 0x0
Router#
Step 9 If the last digit in the configuration register is 0 or 1, proceed to Step 10. However, if the last digit in the
configuration register is between 2 and F, proceed to Step 13.
Step 10 configure terminal
Use this command to enter global configuration mode:
Router# configure terminal
Router(config)#
Step 11 config-register 0x2102
Use this command to set the configuration register so that, after the next system reload or power cycle,
the router loads a system image from the boot system commands in the startup configuration file:
Router(config)# config-register 0x2102