| Field | Value | Meaning | |-------|-------|---------| | | cat4500es8 | Catalyst 4500 Series (specifically with the 8-port Supervisor Engine) | | Feature Set | universalk9 | Universal image with K9 = cryptographic (SSH, VPN, etc.) support | | Package type | spa | Supports Shared Port Adapters (modular line cards) | | Major Release | 03.11.05.E | IOS 15.2(5)E – this is an IOS 15 derived train | | Internal build | 152-7.e5 | Equivalent to IOS 15.2(7)E5 maintenance release | | File extension | .bin | Bootable binary image |
: The universalk9 designation indicates a "Universal" image containing all features (including high-level encryption), which are then unlocked via specific licensing levels like IP Base or Enterprise Services. Key Features and Capabilities cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin
: Indicates this is a "universal" image containing all software features, with the k9 designation confirming it supports strong payload encryption (triple DES/AES). | Field | Value | Meaning | |-------|-------|---------|