How to create broadcast conncetion using logical router

in Juniper
Hi All,
Got question here, for logical-router, normally we use "peer-unit" command to create the point-to-point interface, any idea how to create LAN connection as illustrate in the diagram. tks.
Got question here, for logical-router, normally we use "peer-unit" command to create the point-to-point interface, any idea how to create LAN connection as illustrate in the diagram. tks.
Comments
-Bender