Cisco Systems 2948G-L3, 4908G-L3 manual Updating the System Image

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Chapter 3 Configurations for the Layer 3 Switch Router

Updating the System Image

Updating the System Image

This section provides brief instructions for updating the system image on your Layer 3 switch router. This procedure assumes that you are manually booting the Layer 3 switch router from a system image on the bootflash memory SIMM. You can also configure the Layer 3 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, do the following:

Step 1 Download the system image from Cisco.com.

Step 2 Copy the system image to the Layer 3 switch router.

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

Downloading System Images from Cisco.com

Cisco IOS system images, along with other software, are available from the Software Center on Cisco.com at http://www.Cisco.com. You can download system images from Cisco.com using your browser’s FTP capability, using conventional FTP, or using Cisco.com’s asynchronous dial-up interface.

For instructions on accessing and downloading software from Cisco.com, refer to the Software Downloading from Cisco.com via World Wide Web publication at the Software Center on Cisco.com.

Copying the System Image to the Layer 3 Switch Router

You can copy the system image to the Layer 3 switch router using TFTP, FTP, or rcp. If the system you used to download the image from Cisco.com does not function as a TFTP, FTP, or rcp server, you must first copy the file to an intermediate server that provides those services to your Layer 3 switch router.

Note Before copying the system image from the server to the Layer 3 switch router, check the size of the file to make sure you will have enough room for your Layer 3 switch router’s bootflash memory.

If the bootflash memory is full, you must erase all the files in the bootflash memory file system before copying a new image file from the TFTP server. In addition, before you copy a new image from the TFTP server, you must first download a copy of your known good image. If the new image file you copy from the TFTP server is corrupted, you can revert to the known good image.

Catalyst 2948G-L3 and Catalyst 4908G-L3 Switch Router Software Feature and Configuration Guide

 

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Contents Starting Up the Layer 3 Switch Router Configurations for the Layer 3 Switch RouterModem Support for Recovering a System Image Using the Console and the Management PortsModem Support Passwords Configuring the Management PortPassword password Router# configure terminalRouter# copy running-config Startup-configUsing the Bootflash Memory Simm Configuring the HostnameViewing the Contents of Bootflash Memory Backing Up a System Image to a Tftp Server Deleting Files from Bootflash MemoryRouter# delete cat2948g-in-mz.old Router# copy bootflash tftp Router# dir bootflashRouter# copy bootflash tftp Router# copy tftp bootflash Erasing Files from a Full Bootflash Memory SimmRouter# copy tftp bootflash Source filename ? domino/cat2948g-in-mz.120-7.W5.14.46 Router# dir bootflashRecovering a System Image Using Xmodem and Ymodem Xmodem -c -y -s Example of Xmodem Transfer Using the ROM Monitor ModeN yes Xmodem -y -s57600Updating the System Image Steps 2 through 5. If there is enough space, proceed to Step Routerconfig# config-register Reloading the Layer 3 Switch RouterRouter# copy systemrunning-config Nvramstartup-configRommon 2 boot bootflash filename Rommon 1 dir bootflashRouter show version
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