I'm searching for the porper upgrade path for a 4506 w/a sup 3, currently running cat4000-i9s-mz.122-25.EWA2.bin. Which version do I move to next?
Personally i only upgrade when
1) there is a security issue with current IOS
2) there are bugs that are fixed in later IOS
3) I need new features that are not supported in current IOS.
If you aren't upgrading for any of the above then i would just go with the latest or stay as you are.