Cat4500euniversalk9spa031105e1527e5bin Hot May 2026

Extensive support for IPv6 Access Control Lists (ACLs) , SNMP over IPv6, and stateless autoconfiguration. Supported Hardware

The filename refers to a specific Cisco IOS XE software image for the Catalyst 4500E Series switches. This particular release belongs to the 15.2(7)E5 maintenance train, a critical update for enterprise campus and branch environments. Software Overview cat4500euniversalk9spa031105e1527e5bin hot

Includes robust features such as 802.1X monitor mode for smooth authentication transitions, DHCP snooping to prevent rogue servers, and Dynamic ARP Inspection (DAI) to mitigate malicious attacks. Extensive support for IPv6 Access Control Lists (ACLs)

For Catalyst 4500E switches, this software typically supports Nonstop Forwarding/Stateful Switchover (NSF/SSO) to ensure the network remains operational during a supervisor engine failover. Software Overview Includes robust features such as 802

The image is a "Universal" K9 (crypto) bundle, meaning it includes advanced encryption features (like SSH and SNMPv3) required for secure network management. It runs on , which is the underlying modular operating system for the Catalyst 4500E/X platforms. Key Features of Release 15.2(7)E5

This release is part of an extended maintenance cycle focused on security, stability, and campus-specific innovations.