IOS install mode vs bundle mode


When choosing between IOS [install mode and bundle mode](/ios-install-mode-vs-bundle-mode), the following should be considered in an environment where [Stackwise](/stackwise-election-process) is being used.

When used in conjunction with StackWise:
* all switches in the stack should be configured with the same mode
* all switches in the stack should have the same license as the active switch
* when upgrading the IOS in install mode, simply upgrade the active switch, and all switches will be upgraded
* when upgrading the IOS in bundle mode, the IOS file must be copied to each switch in the stack

Links:

https://content.cisco.com/chapter.sjs?uri=/searchable/chapter/c/en/us/td/docs/switches/lan/Denali_16-1/ConfigExamples_Technotes/Config_Examples/Misc/qos/m_install_vs_bundle.html.xml

Stackwise - IOS install mode vs bundle mode

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Stackwise - IOS install mode vs bundle mode

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