: All fixed-aggregation models (e.g., 16, 24, 32, or 40-port 10G). Catalyst 4500E Supervisors : Supervisor Engines 7-E, 7L-E, 8-E, 8L-E, and 9-E. Important Considerations Extended Maintenance

: Represents the Cisco IOS XE Release version (3.11.5E).

Switch# copy tftp://10.1.1.50/cat4500e-universalk9-spa.03.11.05.E.152-7.E5.bin bootflash: Use code with caution.

Always double-check your software against Cisco’s official release notes.