Cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin -

cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin a specific system image for the Cisco Catalyst 4500-E series switch, representing Cisco IOS XE Release 3.11.5E

# Pre-upgrade checks show version show bootflash: show license cat4500e-universalk9.spa.03.11.05.e.152-7.e5.bin

If you are planning a greenfield deployment or a major upgrade, consider these more recent images for the Catalyst 4500-E: cat4500e-universalk9

! Step 5: Enable SSH Version 2 exclusively ip ssh version 2 ip ssh time-out 60 ip ssh authentication-retries 3 Universal Image : Supports a wide range of

• Universal Image: Supports a wide range of features, including advanced security, voice, video, and data applications.
• K9 Image: Supports cryptographic features, which are essential for secure communications, including secure shell (SSH), SSL, and IPsec.

Before upgrading to this specific image, keep the following in mind:

This image, part of the IOS 15.2(7)E5 train, has become a quiet workhorse for enterprises that prioritize stability over chasing the latest feature release. Let's break down why this specific build continues to matter.

The Security Compliance Mandate

– An audit requires disabling SSLv3/TLSv1.0 and enabling SSHv2 with stronger ciphers. The 15.2(7)E5 train supports ip ssh server algorithm encryption aes256-ctr and no ip http secure-server .