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Appendix A
ROM Monitor
Command Description
78-12696-01
Following are the syntax and argument descriptions for the xmodem console
download command.
The syntax is as follows:
xmodem [-cyrx] destination_file_name
The argument descriptions are as follows:
Argument
c
y
r
x
destination_file_name
Description
Optional. Performs the download using CRC-16 error
checking to validate packets. Default is 8-bit CRC.
Optional. Sets the router to perform the download
using ymodem protocol. Default is xmodem protocol.
The protocols differ as follows:
•
xmodem supports a 128-block transfer size.
ymodem supports a 1024-block transfer size.
ymodem uses 16-bit cyclic redundancy check
•
(CRC)-16 error checking to validate each packet.
Depending on the device that the software is
being downloaded from, this function might not
be supported by xmodem.
Optional. Image is loaded into DRAM for execution.
Default is to load the image into Flash memory.
Optional. Image is loaded into DRAM without being
executed.
The name of the system image file or the system
configuration file. In order for the router to recognize
it, the name of the configuration file must be
router_confg.
Cisco 1710 Security Router Software Configuration Guide
Console Download
A-11
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