For the EX2200 and EX2200-C, the current JTAC recommended release is Junos 12.3R12-Sx Juniper Support Portal
To download firmware for an EX2200, you must navigate the official Juniper Support Portal , though your ability to access files will depend on your account status. Official Firmware Access Requirements
Assuming you have the correct firmware file on your TFTP/FTP/SCP server, here is the safest upgrade path: juniper ex2200 firmware download
You need a valid Juniper support contract or a registered account linked to the end-of-life device.
Juniper Networks restricts firmware downloads to customers with a valid support contract (J-Care) or an active account linked to a registered asset. Because the EX2200 is EOL, many accounts no longer show the files. Here are the three reliable methods: For the EX2200 and EX2200-C, the current JTAC
From the "Type/OS" dropdown, select Junos (or Junos SR for service releases).
. If you are using second-hand gear without a contract, official downloads may be restricted. 2. Finding the "Golden" Release for EX2200 Because the Because the EX2200 is EOL, many accounts no
Based on your request, it looks like you are interested in the capabilities of the Juniper EX2200 switch.
Compare the output to the value on Juniper’s download page.
> request system reboot
If you encounter a "Package validation failed" message, verify the integrity of your download. Compare the MD5 or SHA256 checksum of the file on your switch against the checksum listed on the official Juniper download page.