Cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin -

: Robust stacking technology for unified management and high backplane speeds.

: This stands for "SPA" which could refer to the packaging or the type of software, but in many cases, it indicates a specific type of image. cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin

If your switch boots into (recovery mode) after upgrade, you likely have insufficient DRAM. The Cat3K "CAA" requires 512 MB DRAM minimum . Update your DRAM before attempting this image. : Robust stacking technology for unified management and

If you run show version after booting this image, you will be running IOS 15.2(2)E10. Here is what that enables on a 3750-X or 3560-X: but in many cases