This is a just a very short article about limitations and options with route leaking on the ex4600 switch. This switch is base on the Trident II chip manufactured by Broadcom. It is not very new but it is still a solid piece of silicon used by many platforms across the vendors (Arista, Cisco Juniper). In case of Juniper it is used in the QFX5100 and the EX4600. The EX4600 is classified as an aggregation switch for offices or small DCs so there are rather serious limitations on what you could expect from the device as from all the members of EX switch family.