Cat4500euniversalk9spa031105e1527e5bin Hot [work] Jun 2026

The SPA in the filename indicates the image supports Shared Port Adapters. While common on ASR routers, on the Catalyst 4500, this indicates specific hardware compatibility. Ensure your chassis and Supervisor Engine are compatible with this specific SPA build; usually, this applies to Sup7-E, Sup8-E, and Sup9-E.

: Indicates a "Universal" image containing all features (IP Base, IP Services, Enterprise Services). The "k9" signifies it includes strong payload encryption (3DES/AES). cat4500euniversalk9spa031105e1527e5bin hot

: A GUI for those who prefer not to use the CLI for day-to-day port management. The SPA in the filename indicates the image