Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

verify /md5 bootflash:cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin Use code with caution. Upgrade Paths and ROMMON

The embedded version, , places this image within the Extended Maintenance (E) train of Cisco IOS for Catalyst switches.

: Provides full support for BGP , OSPF , and EIGRP (depending on license level like Enterprise Services).

: Indicates a universal image containing all feature sets (IP Base, Enterprise Services, etc.). The active feature level depends on the installed license. The k9 designation means it includes strong cryptographic payload support for SSH, HTTPS, and IPsec. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

Network engineers managing enterprise campus cores and aggregation layers often encounter specific software images tailored for high-availability hardware. One such enterprise-grade software image is .

Always calculate the MD5 checksum of the downloaded file on your computer or local server. Compare it to Cisco’s official software portal to ensure the file is not corrupted.

The release belongs to a mature, highly stable software train for the Catalyst 4500-E platform. verify /md5 bootflash:cat4500e-universalk9

This release includes patches for various PSIRTs (Product Security Incident Response Team) advisories that affected earlier versions of the 3.x.x train.

: Provides hardware-based Security Group Tagging (SGT) and Security Group Access Control Lists (SGACLs).

%PLATFORM-4-IMG_MISMATCH during boot. Cause: The image is built for a different Sup engine (e.g., you loaded a 4500X image by mistake). Fix: ROMMON recovery to known-good image. : Indicates a universal image containing all feature

This image is a "feature-rich" release supporting a variety of hardware and advanced networking protocols:

Switch# copy tftp://<server-ip>/cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin flash: Switch# boot system flash:cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin Switch# write memory Switch# reload

: Centralized 848 Gbps (7-E) or 520 Gbps (7L-E) fabric engines bringing hardware-accelerated Border Gateway Protocol (BGP), Virtual Switching System (VSS), and Flexible NetFlow.

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