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TFTP BOOT RECOVERY SOFTWARE SOFTWAREThe next two sections provide examples of how the flash appears before and after the software clean command is used. It is important to remember that once it is extracted, you no longer need it. TFTP BOOT RECOVERY SOFTWARE INSTALLbin file that is used in order to install the new IOS software. This purges the files that the switch no longer needs. TFTP BOOT RECOVERY SOFTWARE MANUALTo clean up the residual files, enter the software clean command instead of a manual deletion of the files. Residual files remain in the flash from previous versions. TFTP BOOT RECOVERY SOFTWARE UPDATEVerify that the update process is properly completed upon reload. : Do you want to proceed with reload? : yes Lastly, the nf file is updated and committed. Removed cat3k_caa-drivers.SPA.03.03.00SE.pkg Next, the switch lists a summary of the files that are marked for both removal and addition to the nf pointer file. : Finished application pre-installation processing : Starting application pre-installation processing ![]() : Verified and copied expanded package files to flash: : Verifying and copying expanded package files to flash: : Starting install operationĬat3k_caa-universalk9.SPA.03.03.01.SE. bin file, it is automatically expanded to the flash. : Copying software from active switch 1 to switch 2Īfter all of the members receive the. TFTP BOOT RECOVERY SOFTWARE UPGRADEWhen the upgrade process begins, the switch pushes the. Note: There are many options available after each command however, in this example a basic upgrade is run. Software install file flash:cat3k_caa-universalk9.SPA.03.03.01.SE. Once the file is present, enter this command: 3850-stack# bin file to a single switch, the install process replicates the file to the other switches in the stack. The process that is used in order to copy the file to the switch is not covered in this document. bin file from the Cisco web site and place it in the flash of your active switch. In order to begin the upgrade process, download the IOS® XE. Switch Ports Model SW Version SW Image Modeġ 32 WS-C3850-24P 03.03.00SE cat3k_caa-universalk9 INSTALL (CAT3K_CAA-UNIVERSALK9-M), Version 03.03.00SE RELEASE SOFTWARE (fc1) In order to verify the mode, enter the show version command: 3850-stack# show versionĬisco IOS Software, IOS-XE Software, Catalyst 元 Switch Software ![]() The BUNDLE mode consumes more memory than the INSTALL mode because the packages are extracted from the Bundle and copied to the RAM. If you are comfortable with the use of traditional monolithic IOS® images in order to boot the switch, then the BUNDLE mode is likely familiar. pkg files in the flash.Ĭisco recommends that you do not alter these files unless directed by a Cisco Technical Assistance Center (TAC) engineer. The INSTALL mode uses a package-provisioning file named nf in order to boot the switch. This document provides a brief overview of each mode for reference. Review the configuration guide for more details.Ĭisco recommends that the INSTALL mode is used during operation because it allows for a more complete set of features and requires fewer resources upon boot. There are minor differences between the two modes. The Cisco Catalyst 3850 Series Switch has two modes of operation: INSTALL and BUNDLE. Install and configure the TFTP/FTP before you begin. Cisco does not offer a free TFTP/FTP solution. Note: In order to download Cisco IOS® XE images from the Cisco website, you must have a valid Cisco Connection Online (CCO) account with entitled credentials. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. The examples in this document use a stacked solution however, the same commands can be run on a standalone switch. The information in this document is based on the Cisco Catalyst 3850 Series Switch that runs Cisco IOS® XE Versions 03.03.00 and later. Experience with Cisco IOS ® XE software upgrades.Prerequisites RequirementsĬisco recommends that you have knowledge of these topics: This document describes the upgrade process for Cisco Catalyst 3850 Series Switches and offers disaster recovery techniques in the case of a software or boot failure. ![]()
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