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04-28-2021 03:54 AM
Hi Guys,
We are in the process of upgrading the IOS on large number of Cisco 3650's which are currently running 15.2(2) IOS version. We are looking at upgrading to a Gibraltar version (16.12) but looking at the release notes there is no mention of upgrading from 15.2 versions. I have also noted that there is no mention of 15.2 in the Cisco download centre. I am probably missing something here but I can't recall this issue with any other software versions when upgrading other catalyst switches.
The information I'm looking for is details of upgrade options when upgrading from 15.2 to 16.12 on the 3650 switches.
Thanks in advance.
Clive
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04-28-2021 04:04 AM
15.2(2)E train would translate to 3.6.X.
Upgrade to 16.X.X is supported. Just read the Release Notes properly and use the Install Mode.
NOTE: Since this is going from 3.X.X to 16.X.X, then this means a mandatory micro-code upgrade. This will take between fourteen to twenty two minutes.
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04-28-2021 04:16 AM
Clive
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04-28-2021 04:04 AM
15.2(2)E train would translate to 3.6.X.
Upgrade to 16.X.X is supported. Just read the Release Notes properly and use the Install Mode.
NOTE: Since this is going from 3.X.X to 16.X.X, then this means a mandatory micro-code upgrade. This will take between fourteen to twenty two minutes.
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04-28-2021 04:16 AM
Clive
