Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin !!better!! May 2026
Understanding the Cisco Catalyst 4500-E Series IOS Image: cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin
- Typically requires 1 GB DRAM and 1 GB flash for universal images.
- Older supervisors (SUP6-E) may need an upgrade.
- 03.11: Corresponds to IOS Release 15.2(2)E.
- 04: The maintenance rebuild number (4th iteration).
- e: The "ED" (Extended Deployment) or "E" release train, indicating it is part of the long-running stable release train for fixed-configuration and modular switches.
: Note that older 3.x.xE releases have reached end-of-sale or end-of-life status. You can check the End-of-Life Announcement