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Updating the System Image
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This section provides minimal instructions for updating the system image on your Layer 3 switch router. This procedure assumes that you are manually booting the switch router from a system image on the boot flash memory SIMM. You can also configure the switch router to boot automatically from a system image specified in the BOOT environment variable. For additional information on booting options and maintaining system images, refer to the Cisco IOS Configuration Fundamentals Configuration Guide.

To update the system software, use the following steps:

Step 1 - Download the system image from CCO.

Step 2 - Copy the system image to the switch router.

Step 3 - Reload the switch router with the new image.