C i s c o C o n f i d e n t i a l - B e t a R e v i e w R 3 . 7. 1
Boot Commands on Cisco IOS XR Software
config-register
SMR-13
Cisco ASR 14000 Series Router System Management Command Reference
OL-17231-01
Enter the command
config-register
value
to set the configuration register setting for the DSC.
The most commonly used configuration register settings are described in
Task ID
Examples
The following example shows how to set the configuration register on the DSC to 0x2. Setting the
configuration registration to 0x2 causes the router to boot the Cisco IOS XR software and enter EXEC
mode during a router reload.
RP/0/RP0/CPU0:router(admin)#
config-register 0x2
Successfully set config-register to 0x2 on node 0/RP0/CPU0
Successfully set config-register to 0x2 on node 0/RP1/CPU0
Related Commands
Table 5
Common Configuration Register Settings
Value
Description
0x0
RP enters ROMMON mode (
rommon B1>
)
on the next system boot.
0x2
RP loads the Cisco IOS XR software and default configuration on the
next system boot. After logging in, the user can access EXEC mode.
0x102
Router loads the Cisco IOS XR software with the console break key
disabled on the next system boot.
0x40
Router enters the password recovery mode on the next system boot.
Task ID
Operations
root-lr
read, write
Command
Description
Performs a reload of the route processor.
Displays the configuration register setting and boot file setting for the
RPs in the system.
show version
Displays information about the Cisco IOS XR software.