Router#
Step 9
If the last digit in the configuration register is 0 or 1, proceed to the next step. However, if the last digit in the configuration
register is between 2 and F, proceed to the step "copy running-config startup-config" below.
Step 10
configure terminal
Use this command to enter global configuration mode:
Example:
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:
Example:
Router(config)#
config-register 0x2102
The 0x2102 value is the default configuration register setting. If you didn
’
t change this setting from the default,
this step is not required.
Note
Step 12
exit
Use this command to exit global configuration mode:
Example:
Router(config)#
exit
Router#
Step 13
copy running-config startup-config
Use this command to copy the running configuration to the startup configuration:
Example:
Router#
copy running-config startup-config
Step 14
write memory
This step is required beginning with Cisco IOS XE Release 3.9S if upgrading to a later version. Entering the
write memory
command updates the GRUB menu list of images available on the bootflash disk.
Note
Step 15
reload
Use this command to reload the operating system:
Example:
Router#
reload
Step 16
When prompted to save the system configuration, enter
no
:
Example:
System configuration has been modified. Save? [yes/no]:
no
Step 17
When prompted to confirm the reload, enter
y
:
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
207
Upgrading the Cisco IOS XE Software
Loading the New System Image from the Cisco IOS XE Software