Cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin Jun 2026

If you are currently on an older 3.x release and cannot move to 16.x due to hardware limitations (e.g., older Supervisor engines), is a stable endpoint. However, always check the official Cisco Release Notes for specific caveats related to your specific line cards and supervisor model.

Understanding what you are installing is the first step in a successful maintenance window: cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin