: While primarily used for the legacy 3560-E/3750-E series, the 15.2(4)E software train is also used for Catalyst 3560-X and 3750-X switches. Lifecycle Status : The Catalyst 3560-X series reached its End of Support on October 31, 2021
"The -UPD- file causes high CPU for process 'Spanning Tree'" Workaround: This is rare, but if seen, disable spanning-tree portfast default on uplinks or downgrade to 15.2(4)E8. C3560e-universalk9-mz.152-4.e10.bin -UPD-
: Includes support for Identity-Based Networking Services (IBNS) 2.0 and standard features like NetFlow Lite for traffic visibility. : While primarily used for the legacy 3560-E/3750-E