Cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin May 2026

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

: Denotes a universal image that includes "k9" (strong encryption) features, typically managed via software licenses. spa : Indicates a digitally signed Cisco production image. cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin

: Maps to the traditional Cisco IOS software version 15.2(7)E5, which runs as a process within the IOS XE environment. Key Features and Capabilities : Represents the Cisco IOS XE release version (3