A-49
Cisco Broadband Cable Command Reference Guide
OL-1581-07
Appendix A Using the ROM Monitor
unset
unset
To delete the current contents of a monitor environment variable, use the
unset
command in ROM
monitor mode.
unset
name
[
name2 name3
...]
Syntax Description
Defaults
No default behavior or values.
Command Modes
ROM monitor
Command History
Usage Guidelines
The
unset
command clears the contents of one or more monitor variables that have been defined in the
ROM monitor. Variables are defined at the ROM monitor prompt in a manner similar to that of the Korn
shell, by specifying
variable
=
value
.
Examples
The following example shows how to delete a variable named “temp-var”:
rommon 13 >
unset temp-var
rommon 14 >
The following example shows how to delete two variables:
rommon 17 >
unset temp-var my-var
rommon 18 >
Related Commands
name
Specifies the variable to be cleared.
name2 name3
...
(Optional) Specifies additional variables to be cleared.
Release
Modification
11.3 NA
This command was introduced on Cisco uBR7200 series routers.
12.1(5)EC
Support was added for Cisco uBR7100 series routers.
12.2(4)BC1
Support was added for the Cisco uBR10012 router. Changes were also made
to the boot procedure after breaking into ROMMON to ensure that all
hardware and software registers are in a known state before loading the new
image.
Command
Description
set
Displays the currently-defined monitor environment variables.
sync
Writes the current values of aliases and monitor environment variables to
Flash memory.
