Understanding Cisco IOS XE Release 03.11.05.E (15.2(7)E5) for Catalyst 4500E
Since this is a .bin file, it is typically installed in Bundle Mode, where the switch boots the monolithic image directly into RAM. Preparation: cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin
: A "Universal" image that includes all software features, including strong payload encryption (K9). : Indicates a digitally signed Cisco software image. 03.11.05.E : The IOS XE release version (3.11.5E). : The corresponding classic Cisco IOS version (15.2(7)E5). Understanding Cisco IOS XE Release 03
ISSU (In-Service Software Upgrade): Enables software updates with minimal downtime by leveraging dual supervisors. cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin