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Upgrade cisco catalyst C9500-48Y4C 17.06.03 to 17.12.4

gremling
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Level 1

I have 2 Catalyst 9500-48Y4C switches in stackwise-virtual, running firmware version 17.06.03, and I want to upgrade to the latest available version (if I’m not mistaken, it is 17.12.4). I have read that there is a possibility to perform the upgrade using ISSU, allowing me to avoid service interruption. My question is, is it possible to upgrade between these versions? If it is not possible, how do you recommend performing the upgrade, given that I do not have separate management of the switches (since they appear as a single unit in stackwise-virtual)? Thank you in advance, and I look forward to your comments.