One of the most critical aspects of cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin is its lifecycle status. This specific release falls under the announcements for both the hardware and the software train.
: Support for full BGP, IS-IS, full OSPF, and VRF-lite, which are not available in lower-tier images like LAN Base. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin
If you are currently running 03.11.04.e , your switch is likely stable, but it is a security liability if left unmanaged. If the hardware is still under a support contract, it is highly recommended to review the "Suggested Release" on Cisco’s website, which often points to the 3.12.x or 3.13.x trains (if supported by your supervisor), One of the most critical aspects of cat4500e-universalk9
: Supports standard routing like OSPF for Routed Access and EIGRP Stub. If you are currently running 03
: The IOS XE version number. Version 3.11.4E is part of the 3.11 extended maintenance release train.
# Copy new image to flash (TFTP or FTP example) copy tftp://192.168.1.100/cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin flash: