We're running 16.3.x version on CSR 1000v and plan to upgrade to 16.12.x or 16.17.x.
I am wondering if it's possible to upgrade 16.3.x to 16.17.x or need to upgrade first another version.
And, how about 16.12.x? is there any issue to upgrade from 16.3.x to 16.12.x?
- Check and read Release Notes of targeted version which you want to install , look for upgrade and installation info's
personally, i would build a new virtual router with the latest version and move the config and cut over to a new one, any way upgrading and reboot still need downtime. if any issue you need to downgrade bla bla,
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