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Steps to upgrade cisco IOS

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  • Steps to upgrade cisco IOS

    Hi,

    I have a task to upgrade all 3750 switch stack to the latest IOS image.

    1. Telnet to the switch stack master

    2. Backup the switch config and IOS to tftp

    copy running-config tftp
    copy flash tftp

    3. download the IOS image from tftp server

    archive download-sw /overwrite /reload tftp:[[//location]/directory]/image-name.tar

    Above steps correct???

    Just want to make sure upgrade the IOS will not remove settings and config in the switch stacks???

    Please kindly advise if I have anything missed. Thanks a lot!
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