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C-9
Cisco VG224 Voice Gateway Software Configuration Guide
OL-5005-01
Appendix C Using the ROM Monitor
Entering the ROM Monitor Mode
• -r—Copies the image to DRAM for launch
• -x—Does not launch image on completion of download
Using the tftpdnld Command
The tftpdnld command downloads a Cisco IOS software image from a remote server into flash memory
using TFTP.
tftpdnld—Begins the TFTP copy command.
The following variables are required:
–
IP_ADDRESS—IP address for the router you are using.
–
IP_SUBNET_MASK—Subnet mask for the router you are using.
–
DEFAULT_GATEWAY—Default gateway for the router you are using.
–
TFTP_SERVER—IP address of the server from which you want to download the image file.
–
TFTP_FILE—Name of the file that you want to download.
The following variables are optional:
–
TFTP_VERBOSE—Print setting. 0=quiet, 1=progress, 2=verbose. The default is 1.
–
TFTP_RETRY_COUNT—Retry count for ARP and TFTP. The default is 7.
–
TFTP_TIMEOUT—Overall timeout of the download operation in seconds. The default is 2400
seconds.
–
TFTP_CHECKSUM—Performs a checksum test on the image. 0=no, 1=yes. The default is 1.
The syntax for specifying the variables is:
VARIABLE_NAME=value
After you specify the variables, you must reenter the tftpdnld command. For example:
rommon 1 > tftpdnld
rommon 2 > IP_ADDRESS=172.15.19.11
rommon 3 > IP_SUBNET_MASK=255.255.255.0
rommon 4 > DEFAULT_GATEWAY=172.15.19.1
rommon 5 > TFTP_SERVER=172.15.20.10
rommon 6 > TFTP_FILE=/tftpboot/cVG224-i-mz
rommon 7 > TFTP_VERBOSE=1
rommon 8 > tftpdnld
IP_ADDRESS=172.15.19.11
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=172.15.19.1
TFTP_SERVER=172.15.20.10
TFTP_FILE=/tftpboot/VG224-i-mz
TFTP_VERBOSE=1
Invoke this command for disaster recovery only.
WARNING: all existing data in flash will be lost!
Do you wish to continue? y/n: [n]:
Enter y to begin downloading the Cisco IOS software image. When the process is complete, the ROM
monitor mode prompt appears on your screen.