Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin 〈SAFE • 2027〉

This indicates the Universal Image with strong encryption.

: Specifies the feature set. This is a "Universal" image that contains all features. The "k9" designation means it supports payload encryption (triple DES/AES). cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

A between this version and the newer 3.11.10E release Checking the compatibility for a specific line card model This indicates the Universal Image with strong encryption

This is the major release version. The Catalyst 4500E was one of the first platforms to transition to the IOS XE architecture. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin