Answer
Support is available for EX2200, EX3200, EX3300, EX4200, EX4500, EX4550, and EX6200 switches.
To find the latest supported software feature information, software release, and product for your network, click Juniper Networks Feature Explorer.
NOTE: As of now, only EX Series switches support this J-Web distribution model from Junos OS Release 14.1X53-D10. The SRX Series platforms do not currently support this model.
For more information, click J-Web User Interface Overview.