write memory reload
This file is a Cisco IOS XE Software package designed for the Catalyst 4500 Series Switches (specifically the Supervisor Engine 8-E). It is a universal image, meaning it contains all feature sets (IP Base, IP Services, Enterprise Services, etc.), which are unlocked via software licenses. cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin
Cisco IOS image names are famously dense with information. Here’s the translation: write memory reload This file is a Cisco
| Field | Value | Meaning |
|-------|-------|---------|
| Platform | 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 | In short: This is a unified IOS image
In short: This is a unified IOS image for Catalyst 4500 series switches running IOS 15.2(7)E5.
On ES8 line cards that include Power over Ethernet (PoE), this specific e5 build corrected a memory leak in the ilan driver. If you experience port flapping post-upgrade, power cycle the line card (not the whole chassis):
Switch# hw-module module 3 reset
© 2025 Tom Johnson