A-19
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Appendix A ROM Monitor Guide
Reinstalling the Cisco IOS XR Software from ROMMON
Examples
The following examples are provided:
• Preparing the Standby RP, page A-19
• Setting the ROMMON Variables, page A-19
• Setting the Easybake Variable, page A-19
• Booting the .vm Installation File, page A-19
Preparing the Standby RP
The following example clears the boot and TFTP filename environment variables, sets the EASYBAKE
variable to clean the hard disk, sets the configuration register to start up in Exec mode, and resets the
standby RP:
rommon B1> unset BOOT
rommon B1> unset TFTP_FILE
rommon B1> EASYBAKE=0x100000001
rommon B1> sync
rommon B1> confreg 0x2
rommon B1> reset
Setting the ROMMON Variables
The following example sets the router environment variables on the primary RP:
rommon B1> IP_ADDRESS=10.1.1.1
rommon B1> IP_SUBNET_MASK=255.255.254.0
rommon B1> DEFAULT_GATEWAY=10.1.0.1
Setting the Easybake Variable
The following example sets the Easybake variable on the primary RP and saves the change:
rommon B1> EASYBAKE=0x100000001
rommon B1> sync
Booting the .vm Installation File
The following example boots the router using the specified .vm file on the specified TFTP server:
boot tftp://223.255.254.254/softdir/comp-hfr-mini.vm
IP_ADDRESS: 10.1.1.1
IP_SUBNET_MASK: 255.0.0.0
DEFAULT_GATEWAY: 10.1.0.1
TFTP_SERVER: 172.255.254.254
TFTP_FILE: /softdir/comp-hfr-mini.vm
Performing tftpdnld using External Ethernet.
MAC address is 0:5:9a:39:91:5d
Initializing interface.
Interface link state up.
ARPing for 10.3.0.1
ARP reply for 10.3.0.1 received. MAC address 00:00:0c:07:ac:0d
Receiving /softdir/comp-hfr-mini.vm from 223.255.254.254 !!!!!