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.
This release is part of an extended maintenance cycle focused on security, stability, and campus-specific innovations. cat4500euniversalk9spa031105e1527e5bin hot
Extensive support for IPv6 Access Control Lists (ACLs) , SNMP over IPv6, and stateless autoconfiguration. Supported Hardware For Catalyst 4500E switches
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. SNMP over IPv6
The Catalyst 4500E series is designed around high-performance modular chassis. This software image is compatible with various Supervisor Engines, including: Release Notes for Cisco IOS Release 15.2(7)E5 - Cisco