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FAQ: Junos Trio Chipset on MX Series Routers

By Erdem posted 01-27-2016 11:03


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.


  1. Which product platforms use the Junos Trio chipset?
  2. What is the total number of Packet Forwarding Engines in each of the DPCs using the Junos Trio chipset?
  3. 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?
  4. What are the QoS differences between the 16-port 10-Gigabit Ethernet MPC and the I-chip-based DPC?
  5. What is the difference in buffer management on the MPCs compared with the DPCs?
  6. What are the supported QoS features for the 16-port 10-Gigabit Ethernet MPC and 100-Gigabit Ethernet MPC?

For more information, see MX Series MS-MPC and MS-MIC Service Cards Data Sheet