Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin __top__ [ 2025 ]

This image is intended for organizations running Catalyst 4500-E/SPAs that require a modern, universal IOS XE train with crypto support. Careful pre-upgrade validation (compatibility, licensing, backups) and reading the official release notes will mitigate most deployment risks.

While this image is generally stable, it is important to be aware of potential issues reported by users.

: The IOS XE version, specifically Cisco IOS XE 3.11.4E. 152-7.E4 : The underlying IOS version, which is 15.2(7)E4. .bin : The binary file extension. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

For production networks, consider moving to the latest 15.2(7)E release or evaluating the newer Catalyst 9300/9400 series for long-term investment protection, as the 4500-E platform is approaching legacy status.

The "E" track in IOS XE focuses on campus stability. With an Enterprise Services license, this image supports . When dual Supervisor engines are installed, a failure on the primary engine triggers a sub-second failover to the standby engine without dropping active data packets or disrupting routing protocols. 2. Virtual Switching System (VSS) This image is intended for organizations running Catalyst

: Copy your running configuration to a safe location ( copy run start then copy bootflash:cat4500e-universalk9.xxx.bin tftp: ).

: This is the underlying Cisco IOS version (15.2(7)E4) mapped to the XE release. .bin : The binary executable file used for the boot process. Key Features of Release 03.11.04.E : The IOS XE version, specifically Cisco IOS XE 3

Use the Cisco Bug Search Tool to look for specific "Resolved Caveats" or "Open Caveats" associated with release 15.2(7)E4. Common Use Cases

However, certain advanced features (e.g., MPLS, LISP) are not available on this platform.

: Provides deep visibility into application performance and traffic patterns for capacity planning and security analytics.

Always verify the file integrity with a MD5 checksum before rebooting. Lifecycle Status Cisco Catalyst 4500 Supervisor Engine 7-E