4 Networking Switch Modules540Firmware Upgrading ProceduresThe procedures for firmware upgrading and using a fallback firmwareimage are listed below.Upgrading Firmware on the Switch using TFTP:To upgrade the switch’s firmware, use the procedure below.1. Copy the latest firmware to the TFTP root directory on the TFTPserver machine.2. Make sure the upgraded TFTP server and switch both havenetwork reach ability.3. Login to the Switch CLI, either through Telnet or a serial consoleport.4. Type the below command to upgrade the firmware in the normalarea:firmware upgrade tftp:///flash:normalHere is the IP address of the TFTP server and isthe name of the firmware image file.5. On successful download CLI displays the below string:Firmware download completed successfully.6. After a successful download, reboot the switch to use this latestfirmware.7. If the download fails, check the IP address, file name, networkconnections and configurations to reach the TFTP server.8. If the switch does not come up after the firmware upgrade due toany incorrect firmware images, boot the switch using a fallbackfirmware image. Refer the steps in the procedure "Booting using aFallback Firmware Image:" below to boot the switch using afallback firmware image.9. Once the switch is booted with a fallback firmware, repeat theabove steps to upgrade with the correct firmware image.On successful upgrade of the latest firmware, it is advised that you upgradethe fallback firmware image also. Follow the steps listed in the procedure"Upgrading Fallback Firmware using TFTP:" below to upgrade the fallback
