Cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
From TFTP/FTP server or USB:
copy tftp: flash:
# Source: cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
# Destination: flash: (same filename)
Verify checksum:
verify /md5 flash:cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
Expected MD5: Obtain from Cisco.com software download page.
The filename cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin is a perfect example of Cisco’s methodical labeling. It tells you exactly: cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
Now that you understand each field, you can confidently plan your next upgrade. Have you deployed this image in your environment? Leave a comment below with your experience!
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Disclaimer: This post is for educational purposes. Always verify compatibility with Cisco's official documentation and TAC before upgrading production equipment. From TFTP/FTP server or USB: copy tftp: flash:
The filename cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin refers to a specific Cisco IOS XE software release for the Catalyst 4500-E Series switches.
When you describe this file as a "solid feature," you are likely referring to the IOS XE 3.x Architecture (specifically the "Universalk9" feature set), which was a major evolution for the Catalyst 4500 platform compared to the older "Classic" IOS 12.2 releases.
Here is a breakdown of the file and why it represents a "solid feature" set for this hardware: Verify checksum: verify /md5 flash:cat4500e-universalk9
Let's slice the filename into its logical components:
cat4500e - universalk9 - spa - 03.11.00.e - 152-7.e - .bin
| Component | Value | Meaning |
| :--- | :--- | :--- |
| Platform | cat4500e | Catalyst 4500E Series (4503-E, 4506-E, 4507R+E, 4510R+E) |
| Feature Set | universalk9 | Universal image with K9 (AES crypto, 3DES, SSH). Includes LAN Base, IP Base, and Enterprise Services. |
| Architecture | spa | Supports SPA (Shared Port Adapter) interfaces & modern line cards. |
| IOS Version | 03.11.00.e | Main release 3.11.0E (Extended Maintenance) |
| Train ID | 152-7.e | Internal build ID based on IOS 15.2(7)E |
Key Insight: The
universalk9means this is the right-to-use (RTU) image. You honor the license level you configure (LAN Base, IP Base, or Ent Services) rather than flashing a different image.
show version
show inventory
If you see WS-C4503 (no -E), do not proceed – it will brick the switch.