Supported Platforms
show class-of-service
Syntax
Release Information
Command introduced in Junos OS Release 9.0 for EX Series switches.
EXP classifiers added in Junos OS Release 10.1 for EX Series switches.
Description
Display the class-of-service (CoS) information.
Required Privilege Level
view
List of Sample Output
show class-of- serviceshow class-of-service rewrite-rule
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:
| All levels |
Code point type | The type of code-point alias:
| 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 beyond which high packets are dropped. | All levels |
Scheduler | Name of the scheduler. | All levels |
Transmit rate | Transmission rate of the scheduler. | All levels |
Excess rate | Percentage of excess bandwidth traffic to share. | 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>
show class-of-service rewrite-rule
user@switch> show class-of-service rewrite-rule
Rewrite rule: dscp-default, Code point type: dscp, Index: 31 Forwarding class Loss priority Code point best-effort low 000000 best-effort high 000000 expedited-forwarding low 101110 expedited-forwarding high 101110 fw-class low 001010 fw-class high 001100 network-control low 110000 network-control high 111000 Rewrite rule: exp-default, Code point type: exp, Index: 33 Forwarding class Loss priority Code point best-effort low 000 best-effort high 001 expedited-forwarding low 010 expedited-forwarding high 011 fw-class low 100 fw-class high 101 network-control low 110 network-control high 111 Rewrite rule: ieee8021p-default, Code point type: ieee-802.1, Index: 34 Forwarding class Loss priority Code point best-effort low 000 best-effort high 001 expedited-forwarding low 010 expedited-forwarding high 011 fw-class low 100 fw-class high 101 network-control low 110 network-control high 111 Rewrite rule: ipprec-default, Code point type: inet-precedence, Index: 35 Forwarding class Loss priority Code point best-effort low 000 best-effort high 000 expedited-forwarding low 101 expedited-forwarding high 101 fw-class low 001 fw-class high 001 network-control low 110 network-control high 111
