Junos Trio is a chipset with revolutionary 3D scaling technology that enables networks to dynamically scale for more bandwidth, subscribers, and services. To review performance, scalability, and power efficiency validation for the MX Series 3D routers with the Junos Trio chipset, see: EANTC testing validation This article provides answers to the most common questions about the Junos Trio chipset on MX Series routers used with Junos OS Release 10.1 and later. Which product platforms use the Junos Trio chipset? What is the total number of Packet Forwarding Engines in each of the DPCs using the Junos Trio chipset? What is the default power-on sequence when line cards with Junos Trio chipsets are in the same chassis with other types of line cards?