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    show class-of-service forwarding-class

    Syntax

    show class-of-service forwarding-class

    Release Information

    Command introduced in Junos OS Release 9.0 for EX Series switches.

    Command introduced in Junos OS Release 11.1 for the QFX Series.

    Description

    Display information about forwarding classes, including the mapping of forwarding classes to queue numbers.

    Required Privilege Level

    view

    List of Sample Output

    show class-of-service forwarding-class
    show class-of-service forwarding-class (EX8200 Switch)
    show class-of-service forwarding-class (QFX Series)

    Output Fields

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

    Table 1: show class-of-service forwarding-class Output Fields

    Field Name

    Field Description

    Forwarding class

    Name of the forwarding class.

    ID

    Forwarding class identifier.

    Queue

    CoS queue mapped to the forwarding class.

    Policing priority

    Not supported on EX Series switches or the QFX Series and can be ignored.

    Fabric priority

    (EX8200 switches only) Fabric priority for the forwarding class, either high or low. Determines the priority of packets entering the switch fabric.

    No-Loss

    (QFX Series only) Packet loss attribute to differentiate lossless forwarding classes from lossy forwarding classes:

    • Disabled—Lossless transport is not configured on the forwarding class (packet drop attribute is drop).
    • Enabled—Lossless transport is configured on the forwarding class (packet drop attribute is no-loss).

    Sample Output

    show class-of-service forwarding-class

    user@switch> show class-of-service forwarding-class
    Forwarding class               ID                      Queue  Policing priority
      best-effort                        0                       0           normal
      expedited-forwarding               1                       5           normal
      assured-forwarding                 2                       1           normal
      network-control                    3                       7           normal

    Sample Output

    show class-of-service forwarding-class (EX8200 Switch)

    user@switch> show class-of-service forwarding-class
    Forwarding class                       ID      Queue  Fabric priority
      best-effort                           0       0      low
      expedited-forwarding                  1       5      low
      assured-forwarding                    2       1      low
      network-control                       3       7      low
      mcast-be                              4       2      low
      mcast-ef                              5       4      low
      mcast-af                              6       6      low 

    Sample Output

    show class-of-service forwarding-class (QFX Series)

    user@switch> show class-of-service forwarding-class
    Forwarding class                       ID      Queue  Policing priority  No-Loss
      best-effort                          0         0         normal        Disabled
      fcoe                                 1         3         normal        Enabled
      no-loss                              2         4         normal        Enabled
      network-control                      3         7         normal        Disabled
      mcast                                8         8         normal        Disabled
    

    Published: 2013-08-15