How to put the Juniper EX2200 router into a normal hub (switch) mode?

Question

network hardware

Friends, there is an old Juniper EX2200 router, but there is no usual hub (or switch) to combine several machines into one network. Attention to the question: how to do this with the help of a juniper? just at the factory settings, plugging cables into the ports did not work. tried to combine several ports into one vlan, but it didn’t work either, either they went to the wrong steppe, or their hands were crooked.

Answer 1

Basically it's a switch.