If you are in a lab, homelab, or legacy OT environment, the 15.0(2)SE11 upd is perfectly adequate—just ensure physical security and no internet exposure.

Some original 3560 models only feature 16MB Flash , which is insufficient for 15.x IOS images. Users with limited space may need to delete the old image before downloading the new one.

show flash:

C3560ipservicesk9mz1502se11bin Upd 'link' Jun 2026

If you are in a lab, homelab, or legacy OT environment, the 15.0(2)SE11 upd is perfectly adequate—just ensure physical security and no internet exposure.

Some original 3560 models only feature 16MB Flash , which is insufficient for 15.x IOS images. Users with limited space may need to delete the old image before downloading the new one.

show flash: