reached its final EOSL on , standard support contracts may no longer be available for purchase. Downloads - Juniper Support
: For the EX2200 and EX2200-C, the widely suggested stable release is Junos 12.3R12 . While versions like 15.1 exist, 12.3 is often preferred for performance and stability on this specific hardware. Step-by-Step Installation Guide juniper ex2200 firmware download