Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


show class-of-service fabric scheduler-map



(M320 routers, MX Series routers, T Series routers and EX Series switches only) Display the mapping of class-of-service (CoS) schedulers to switch fabric traffic priorities and a summary of scheduler parameters for each priority.


This command has no options.

Required Privilege Level


Output Fields

Table 1 describes the output fields for the show class-of-service fabric scheduler-map command. Output fields are listed in the approximate order in which they appear.

Table 1: show class-of-service fabric scheduler-map Output Fields

Field Name

Field Description

Fabric priority

Indicates the fabric traffic priority. Currently, two priorities are supported: low and high.


Name of the scheduler.


Index of the indicated object. Objects that have indexes in this output include schedulers and drop profiles.

Drop profiles

Display the assignment of drop profile by name and index to a given loss priority and protocol pair:

  • Loss priority—Packet loss priority for drop profile assignment.

  • Protocol—Transport protocol for drop profile assignment.

  • Name—Name of the drop profile.

Sample Output

show class-of-service fabric scheduler-map

Release Information

Command introduced before Junos OS Release 7.4.