Installing (renaming): `flash:update/5' -> New software image installed in flash1:/5 Installing (renaming): `flash1:/update/5' -> Old image for switch 2: flash:/3Ĭ5/ (directory)Ĭ5/html/ (directory)Ĭ5/html/zh/ (directory)Įxtracting 5/html/zh/re_xsetup.js (12993 bytes)Įxtracting 5/html/zh/re_smartports.js (3803 bytes)Įxtracting 5/html/zh/re_dashboard.js (2591 bytes)Įxtracting 5/dc_default_profiles.txt (63880 bytes) Image Feature: IP|LAYER_2|SSH|3DES|MIN_DRAM_MEG=128 upgrade-ucode Upgrade UCODE after successful sw upgrade (no reload)Īs you can see, there are several option in my case, I want upgrade the IOS via ftp, using the tar image maintaining the previous IOS software.įirst of all, define the username/password of the FTP server (required for downloading the tar file from the ftp server): ip ftp username ciscozineĮxecute the command “archive download-sw /leave-old-sw ”: Ciscozine#archive download-sw /leave-old-sw safe Always load before deleting old version reload Reload system (if no unsaved config changes) after successful sw upgrade overwrite OK to overwrite an existing image only-system-type specify individual system type to be updated no-version-check skip version check that prevents incompatible image install no-set-boot Don't set BOOT - leave existing boot config alone

leave-old-sw Leave old sw installed after successful sw upgrade force-ucode-reload Upgrade UCODE after successful sw upgrade and before an unconditional force-reload Unconditionally reload system after successful sw upgrade directory Specify a directory for images destination-system specify destination system to receive software Use the “archive download-sw” command: Ciscozine#archive download-sw ? Issue the dir flash: command to verify the amount of free memory that you have for the upgrade.ģ. Download the tar image from the website.Ģ. If you want to manage switches or clusters of switches through a web interface (HTML), this is the only file you need to download.ġ.

tar file is an archive file from which both the IOS image and the CMS files are extracted during the upgrade process. There are two main methods to upgrade the IOS: One of the task of a good Network engineer is to update the Cisco IOS to avoid bugs and to have new features but what is the correct procedure to upgrade a Cisco stack, for instance two 2960 switches in stack?

Cisco 3750 software upgrade