IOS XE separates the control plane and data plane. This release supports:
This guide covers the cat4500e-universalk9.SPA.03.11.00.E.152-7.E.bin
For official documentation and to download the file, please visit the Cisco Software Download Center. If you'd like to dive deeper, The for a specific bug fix. A comparison of this image with newer IOS XE trains . AI responses may include mistakes. Learn more
When deploying the cat4500euniversalk9spa031100e1527ebin image, it is recommended to: cat4500euniversalk9spa031100e1527ebin high quality
: Includes support for hardware-based encryption (MACsec) on compatible line cards, providing wire-speed security for data in transit. 🛠️ Management and Compatibility
Enables combining two physical Catalyst 4500E chassis into a single logical network entity, eliminating the need for Spanning Tree Protocol (STP) loops on uplinks and doubling inter-switch bandwidth. Advanced Layer 3 Routing
: A complete list of syntax for this release is in the Cisco IOS XE 3.11.xE Command Reference . IOS XE separates the control plane and data plane
Switch# configure terminal Switch(config)# no boot system flash bootflash:old_image.bin Switch(config)# boot system flash bootflash:cat4500e-universalk9.SPA.03.11.00.E.152-7.E.bin Switch(config)# end Use code with caution. Switch# write memory Switch# reload Use code with caution.
The cat4500euniversalk9spa031100e1527ebin release is part of a mature, extended-maintenance train, providing several advantages: Enhanced Stability and Reliability
: Compare the output hash with the official hash from the Cisco website. A successful match confirms the image is authentic and uncorrupted. A comparison of this image with newer IOS XE trains
Prevents routing protocol neighbor adjacencies (OSPF, EIGRP, BGP) from tearing down during a Supervisor switchover event.
| Release | Filename example (truncated) | Key Features | |------------------|-----------------------------------------------------|---------------------------------------------------| | 03.11.03.E (15.2(11)E) | cat4500e-universalk9-spa.03.11.03.E.152-11.E.bin | Most stable, long-lived, security fixes. | | 03.11.04.E (15.2(12)E) | cat4500e-universalk9-spa.03.11.04.E.152-12.E.bin | Latest maintenance release. | | 03.10.03.E (15.2(10)E) | Older but very mature. | For legacy environments avoiding later changes. |
: Compatible with Supervisor Engines like 7-E , 7L-E , 8-E , 8L-E , and 9-E , as well as the Go to product viewer dialog for this item. series. End-of-Life Status : Cisco has issued End-of-Life notices
: Compatible with E-series chassis like the WS-C4507R+E and WS-C4510R+E , which provide up to 48 Gbps per slot. Management
Cisco filenames are packed with metadata. Here is the breakdown of cat4500e-universalk9.SPA.03.11.00.E.152-7.E.bin :