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

: Specifically designed for Supervisor Engine 8-E (indicated by the es8 in the filename).

Cisco IOS image names are famously dense with information. Here’s the translation:

A binary executable file format used for system booting and operation. Core Features supported in this Release As part of the

That means you get (SSHv2, IPsec, PKI). But check your license level – universalk9 requires the IP Base or Enterprise Services license to unlock features.

: Specifically designed for Supervisor Engine 8-E (indicated by the es8 in the filename).

Cisco IOS image names are famously dense with information. Here’s the translation:

A binary executable file format used for system booting and operation. Core Features supported in this Release As part of the

That means you get (SSHv2, IPsec, PKI). But check your license level – universalk9 requires the IP Base or Enterprise Services license to unlock features.