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

The 3750-X uses StackWise-Plus technology. Early 15.x releases had rare but impactful "stack split" conditions. The .e10 rebuild specifically addressed and concurrent stack membership changes , making multi-switch stacks more resilient.

designation indicates it contains the full feature set (LAN Base, IP Base, or IP Services) which is unlocked via specific licenses. Lifecycle and Security Context cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin

If this image is running in production, you are likely compliant with no security mandates (PCI-DSS, HIPAA, NIST) without mitigations (ACLs, management plane protection). The 3750-X uses StackWise-Plus technology