FAQ: Hierarchical Class of Service

by Juniper Employee on ‎08-01-2016 02:15 PM - edited on ‎09-20-2017 01:07 PM by Administrator Administrator (2,697 Views)

Hierarchical class of service (HCoS) is the ability to apply traffic schedulers and shapers to a hierarchy of scheduler nodes. Each level of the scheduler hierarchy can be used to shape traffic based on different criteria such as application, user, VLAN, and physical port.


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This article provides answers to some common questions about hierarchical class of service (HCoS):


  1. What is hierarchical class of service (HCoS)?
  2. How do I build a scheduler hierarchy?
  3. How do I configure scheduling modes?
  4. How do I associate dynamically configured CoS feature with a subscriber interface, and improve CoS p...
  5. How do I configure the interface set of subscribers in a dynamic profile?
  6. Is link protection required for IP or demux subscriber interfaces?
  7. How do I configure targeted distribution for demux subscribers?

For more information, click Hierarchical Class of Service Feature Guide