Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin [updated] Jun 2026

Note: Attempting to boot this image on older, non-E series chassis or legacy supervisors (like Sup 6-E or older) will result in a boot loop or a ROMMON error. Key Features and Software Capabilities

: Contains the "Universal" feature set with strong K9 cryptography (SSH, SSL, etc.). 03.11.04.E : Refers to IOS XE Release 3.11.4E .

Your (e.g., Sup 7-E, Sup 8-E) The software version you are upgrading from cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

: Digitally signed program asset. This ensures image integrity and authenticates that the software was produced by Cisco, preventing the execution of modified or compromised code.

Full multi-area OSPFv2/OSPFv3, EIGRP (IPv4/IPv6), and BGP-4 support for robust core and distribution tier connectivity. Note: Attempting to boot this image on older,

Recommended ROMMON : 15.0(1r)SG16 (or later) is often required for 3.x XE releases.

After the switch reloads, do not assume success. Validate: Your (e

If you run a configuration

Feature highlights (what universalk9/IOS XE 3.11.04 commonly provides)

The file is a specific system image for the Cisco Catalyst 4500E