Installation guide

Command Reference
28
Cisco IOS 11.2(15)GS2
show boot
Use the show boot EXEC command to display GRP boot information.
show boot
Syntax Description
This command has no keywords or arguments.
Default
None
Command Mode
Privileged EXEC
Usage Guidelines
This command first appeared in Cisco IOS Release 11.0.
Example
The following example displays boot information:
show boot
BOOT variable = slot0:gsr-p-mz,1;
CONFIG_FILE variable = nvram:
Current CONFIG_FILE variable = nvram:
Configuration register is 0x2
CHASSIS_SN variable = 66300963
CONFGEN variable = 419
Secondary is in slot 1
Secondary BOOT variable = slot0:gsr-p-mz,1;
Secondary CONFIG_FILE variable = nvram:
Secondary configuration register is 0x2
Secondary CHASSIS_SN variable = 66300963
Secondary CONFGEN variable = 419
Table 3 describes selected fields from the show boot command output.
Table 3 Show Boot Field Descriptions
Field Description
BOOT variable = slot0:gsr-p-mz,1; Location and name of the software image that will boot on the primary GRP.
CONFIG_FILE variable = nvram: Location of the router configuration file.
Current CONFIG_FILE variable =
nvram:
Current value of the CONFIG_FILE variable.
Configuration register is 0x2 Current content of the configuration register.
CHASSIS_SN variable = 66300963 Serial number of the Cisco 12000 router chassis in which the GRP was
installed when the startup-config was saved.