Loading The New System Image; Loading The New System Image From The Cisco Ios Software - Cisco 2800 Series Manual

Upgrading the System Image
DETAILED STEPS
xmodem [-[c][y][r][x]] destination-file-name
Step 1
Use this command to download the system image over the console port, using the ROM monitor. See
Table 1
Table 1
Keyword or Argument
-c
-y
-r
-x
destination-file-name
What to Do Next
Proceed to the

Loading the New System Image

This section describes how to load the new system image that you copied into flash memory. First,
determine whether you are in ROM monitor mode or in the Cisco IOS CLI. Then choose one of the
following methods of loading the new system image:
•
•

Loading the New System Image from the Cisco IOS Software

This section describes how to load the new system image from the Cisco IOS software.
for command syntax descriptions.
xmodem Command Syntax Descriptions
Description
(Optional) Performs the download using 16-bit cyclic redundancy check
(CRC) error checking to validate packets. The default is 8-bit CRC.
(Optional) Performs the download using ymodem protocol. The default is
xmodem protocol. The protocols differ as follows:
•
•
(Optional) Image is loaded into DRAM for execution. The 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. For the
router to recognize it, the name of the configuration file must be
router_config.
"Loading the New System Image" section on page
Loading the New System Image from the Cisco IOS Software, page 17
Loading the New System Image from ROM Monitor Mode, page 20
The xmodem protocol supports a 128-block transfer size, whereas the
ymodem protocol supports a 1024-block transfer size.
The ymodem protocol uses 16-bit CRC error checking to validate each
packet. Depending on the device that the software is being
downloaded from, this function might not be supported by the
xmodem protocol.
How to Upgrade the System Image
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