Cisco CRS-1 - Carrier Routing System Router Getting Started Manual page 221

Appendix A ROM Monitor Guide
Reinstalling the Cisco IOS XR Software from ROMMON
Displaying the Currently Defined Environment Variables
The following example displays the environment variables.
rommon B1 > set
PS1=rommon ! >
MARGIN_1_5V_HIGH=1
TFTP_VERBOSE=2
IP_ADDRESS=1.1.1.1
IP_SUBNET_MASK=255.255.0.0
TFTP_SERVER=
DEFAULT_GATEWAY=12.25.0.1
TFTP_FILE=
CONFIG_FILE=
?=0
EASYBAKE=0x0
ReloadReason=65
BOOT=disk0:hfr-os-mbi-1.0.0/mbihfr-rp.vm,1;
rommon B2 >
Understanding the Easybake Variables
The Easybake variables define the disk management options used when installing software from ROM
monitor mode. You can instruct Easybake to reformat the flash disk before installing the new software
packages, or you can instruct Easybake to delete the old packages without formatting the disk.
Table A-3 describes commonly used Easybake variable settings.
Use only the Easybake variables shown in Table A-3 when booting a .vm image from ROMMON. Use
Caution
of any variable not shown in this list could result in serious system errors.
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
A-11