Cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin | !!exclusive!!

: Enables high-availability by clustering two switches into a single logical unit.

This software version is designed for the following supervisor engines and switches: cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

CPU spikes to 99% after upgrade. Cause: The old spanning-tree vlan 1-4094 macro. This image introduces per-VLAN rapid-pvst threads. Fix: no spanning-tree vlan 1-4094 then specifically enable only used VLANs. : Enables high-availability by clustering two switches into

This version is often sought after as a "maintenance release," focusing on bug fixes and hardening rather than experimental features. cat4500e-universalk9.spa.03.11.04.e.152-7.e4.bin

Before upgrading the .bin file, verify if your (firmware) version needs an update to support IOS XE 3.11.4E. 3. File Transfer Troubleshooting