cisco catalyst 3650 ios upgrade procedure
3650 switch IOS up gradation
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Upgrading Cisco IOS XE Software: Install Mode
To upgrade the Cisco IOS XE software when the switch is running in installed mode, use the software install privileged EXEC command to install the packages from a new software bundle file. The software bundle can be installed from the local storage media or it can be installed over the network using TFTP or FTP.
The software install command expands the package files from the specified source bundle file and copies them to the local flash: storage device. When the source bundle is specified as a tftp: or ftp: URL, the bundle file is first downloaded into the switch's memory (RAM); the bundle file is not copied to local storage media.
After the package files are expanded and copied to flash: the running provisioning file (flash:packages.conf) is updated to reflect the newly installed packages, and the switch displays reload prompt.
Note
The software install command is not supported when the switch is running in bundle mode. Use the software expand privileged EXEC command to convert the switch from bundle mode to installed mode.