Cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin =link= Official
The file cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin is a Cisco IOS XE software image (Release 3.11.0E) for Catalyst 4500E Series switches. Technical Summary Version: IOS XE 3.11.0E (equivalent to IOS 15.2(7)E).
Advanced Layer 3 Routing: Includes support for BFD (Bidirectional Forwarding Detection), EIGRP Stub Routing, and Enhanced Object Tracking.
note that upgrading to 3.11.x often requires a ROMMON version of at least 15.0(1r)SG11 or higher. Hardware Support cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin
Fixed Switches: Specifically the Catalyst 4500-X Series, which are often used for campus aggregation. Key Features and Capabilities
You can jump from 3.X to 16.X , as per my understand Cisco sto developping denali code that is 3.X. they are more focussing on 16. Cisco Community The file cat4500e-universalk9
152-7.E: The underlying classic IOS version (15.2(7)E). This release typically includes maintenance fixes and support for specific hardware modules.
2. The "Solid Feature" Highlights (IOS XE 3.11)
This specific release (3.11.0E / 15.2.7E) is considered a "solid" or stable release for the end-of-life cycle of the 4500E series. Key features include: note that upgrading to 3
3. Set the boot parameter
boot system flash sup-bootdisk:/cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin