show class-of-service

Syntax




show class-of-service

Release Information

Command introduced in JUNOS Release 9.0 for EX-series switches.

Description

Display the class of service (CoS) information.

Options

This command has no options.

Required Privilege Level

view

List of Sample Output

show class-of- service

Output Fields

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

Table 1: show class-of-service Output Fields

Field Name	Field Description	Level of Output
Forwarding class	The forwarding class configuration: Forwarding class—Name of the forwarding class. ID—Forwarding class ID. Queue—Queue number.	All levels
Code point type	The type of code-point alias: dscp—Aliases for DiffServ code point (DSCP) values. ieee–802.1—Aliases for IEEE 802.1p values. inet-precedence—Aliases for IP precedence values.	All levels
Alias	Names given to CoS values.	All levels
Bit pattern	Set of bits associated with an alias.	All levels
Classifier	Name of the classifier.	All levels
Code point	Code-point values.	All levels
Loss priority	Loss priority assigned to specific CoS values and aliases of the classifier.	All levels
Rewrite rule	Name of the rewrite-rule.	All levels
Drop profile	Name of the drop profile.	All levels
Type	Type of drop profile. EX-series switches support only the discrete type of drop-profile.	All levels
Fill level	Percentage of queue buffer fullness of high packets after which high packets are dropped.	All levels
Scheduler	Name of the scheduler.	All levels
Transmit rate	Transmission rate of the scheduler.	All levels
Buffer size	Delay buffer size in the queue.	All levels
Drop profiles	Drop profiles configured for the specified scheduler.	All levels
Protocol	Transport protocol corresponding to the drop profile.	All levels
Name	Name of the drop profile.	All levels
Queues supported	Number of queues that can be configured on the interface.	All levels
Queues in use	Number of queues currently configured.	All levels
Physical interface	Name of the physical interface.	All levels
Scheduler map	Name of the scheduler map.	All levels
Index	Internal index of a specific object.	All levels

Sample Output

show class-of- service

user@switch> show class-of-service

Forwarding class                       ID      Queue  
  best-effort                           0       0     
  expedited-forwarding                  1       5     
  assured-forwarding                    2       1     
  network-control                       3       7     

Code point type: dscp
  Alias              Bit pattern
  af11               001010
  af12               001100
  ...                ...

Code point type: ieee-802.1
  Alias              Bit pattern
  af11               010
  ...                ...

Code point type: inet-precedence
  Alias              Bit pattern
  af11               001
  ...                ...      

Classifier: dscp-default, Code point type: dscp, Index: 7
  Code point         Forwarding class                    Loss priority
  000000             best-effort                         low
  000001             best-effort                         low
  ...                ...                                 ...          

Classifier: ieee8021p-default, Code point type: ieee-802.1, Index: 11
  Code point         Forwarding class                    Loss priority
  000                best-effort                         low
  001                best-effort                         low
  010                best-effort                         low
  011                best-effort                         low
  100                best-effort                         low
  101                best-effort                         low
  110                network-control                     low
  111                network-control                     low

Classifier: ipprec-default, Code point type: inet-precedence, Index: 12
  Code point         Forwarding class                    Loss priority
  000                best-effort                         low
  001                best-effort                         low
  010                best-effort                         low
  011                best-effort                         low
  100                best-effort                         low
  101                best-effort                         low
  110                network-control                     low
  111                network-control                     low

Classifier: ieee8021p-untrust, Code point type: ieee-802.1, Index: 16
  Code point         Forwarding class                    Loss priority
  000                best-effort                         low
  001                best-effort                         low
  010                best-effort                         low
  011                best-effort                         low
  100                best-effort                         low
  101                best-effort                         low
  110                best-effort                         low
  111                best-effort                         low

Rewrite rule: dscp-default, Code point type: dscp, Index: 27
  Forwarding class                    Loss priority       Code point
  best-effort                         low                 000000
  best-effort                         high                000000
  expedited-forwarding                low                 101110
  expedited-forwarding                high                101110
  assured-forwarding                  low                 001010
  assured-forwarding                  high                001100
  network-control                     low                 110000
  network-control                     high                111000

Rewrite rule: ieee8021p-default, Code point type: ieee-802.1, Index: 30
  Forwarding class                    Loss priority       Code point
  best-effort                         low                 000
  best-effort                         high                001
  expedited-forwarding                low                 100
  expedited-forwarding                high                101
  assured-forwarding                  low                 010
  assured-forwarding                  high                011
  network-control                     low                 110
  network-control                     high                111

Rewrite rule: ipprec-default, Code point type: inet-precedence, Index: 31
  Forwarding class                    Loss priority       Code point
  best-effort                         low                 000
  best-effort                         high                000
  expedited-forwarding                low                 101
  expedited-forwarding                high                101
  assured-forwarding                  low                 001
  assured-forwarding                  high                001
  network-control                     low                 110
  network-control                     high                111

Drop profile:<default-drop-profile>, Type: discrete, Index: 1
  Fill level    
         100

Scheduler map: <default>, Index: 2

  Scheduler: <default-be>, Forwarding class: best-effort, Index: 20
    Transmit rate: 95 percent, Rate Limit: none, Buffer size: 95 percent,
    Priority: low
    Drop profiles:
      Loss priority   Protocol    Index    Name
      High            non-TCP         1    <default-drop-profile>
      High            TCP             1    <default-drop-profile>

  Scheduler: <default-nc>, Forwarding class: network-control, Index: 22
    Transmit rate: 5 percent, Rate Limit: none, Buffer size: 5 percent,
    Priority: low
    Drop profiles:
      Loss priority   Protocol    Index    Name
      High            non-TCP         1    <default-drop-profile>
      High            TCP             1    <default-drop-profile>

Physical interface: ge-0/0/0, Index: 129
Queues supported: 8, Queues in use: 4
  Scheduler map: <default>, Index: 2

Physical interface: ge-0/0/1, Index: 130
Queues supported: 8, Queues in use: 4
  Scheduler map: <default>, Index: 2

...             ...              ...

Fabric priority: low 
  Scheduler: <default-fabric>, Index: 23
    Drop profiles:
      Loss priority   Protocol    Index    Name
      High            non-TCP         1    <default-drop-profile>
      High            TCP             1    <default-drop-profile>
   
Fabric priority: high
  Scheduler: <default-fabric>, Index: 23
    Drop profiles:
      Loss priority   Protocol    Index    Name
      High            non-TCP         1    <default-drop-profile>
      High            TCP             1    <default-drop-profile>