Upgrading the System Image
How to Upgrade the System Image
10
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Step 14
From the displayed output of the dir flash: command, compare the number of bytes available to the size
of the system image to which you want to upgrade.
•
If the available memory is less than the new system image’s minimum flash requirements, you must
upgrade your compact flash memory card to a size that can accommodate both the existing files and
the new system image. See the hardware installation guide for your router.
•
If the available memory is equal to or greater than the new system image’s minimum flash
requirements, proceed to the
“Copying the System Image into Flash Memory” section on page 10.
What to Do Next
Proceed to the “Copying the System Image into Flash Memory” section on page 10.
Copying the System Image into Flash Memory
This section describes how to copy the system image into the compact flash memory card for your router.
Choose one of the following methods:
•
Using TFTP or Remote Copy Protocol to Copy the System Image into Flash Memory, page 10
•
Using the ROM Monitor to Copy the System Image over a Network, page 12
•
Using a PC with a CompactFlash Card Reader to Copy the System Image into Flash Memory,
page 15
•
Using Console Download (xmodem) in ROM Monitor to Copy the System Image into Flash
Memory, page 16
Using TFTP or Remote Copy Protocol to Copy the System Image into Flash Memory
This section describes how to use TFTP or Remote Copy Protocol (RCP) to upgrade the system image.
This is the recommended and most common method of upgrading the system image.
Prerequisites
•
Install a TFTP server or an RCP server application on a TCP/IP-ready workstation or PC. Many
third-party vendors provide free TFTP server software, which you can find by searching for “TFTP
server” in a web search engine.
If you use TFTP:
–
Configure the TFTP application to operate as a TFTP server, not a TFTP client.
–
Specify the outbound file directory to which you will download and store the system image.
•
Download the new Cisco IOS software image into the workstation or PC. See the “Where Do I
Download the System Image?” section on page 2.
•
Establish a console session to the router. We recommend that you connect your PC directly to the
router console port. See the quick start guide that shipped with your router.
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