Mastering Cisco Catalyst 3560-E/X Upgrades: A Deep Dive into C3560e-universalk9-mz.152-4.E10.bin
Stability Over Innovation: Released as a maintenance rebuild, this version (E10) resolves numerous caveats found in earlier 15.2(4)E releases, making it one of the most stable choices for legacy campus hardware. C3560e-universalk9-mz.152-4.e10.bin -UPD-
The upgrade process began. The switch rebooted, and the IOS image was written to the flash memory. A few minutes later, the switch was back online, now running on the new IOS version. Mastering Cisco Catalyst 3560-E/X Upgrades: A Deep Dive