Service egress policies on 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

This section provides information to configure Service egress QoS policies using the command line interface.

Note:

Service egress policies are supported only on the 7210 SAS-Mxp, 7210 SAS-R6 IMM-b, and 7210 SAS-R12 IMM-b. It is not supported on the 7210 SAS-R6 IMM-c, 7210 SAS-R12 IMM-c, 7210 SAS-T, and 7210 SAS-Sx/S 1/10GE devices.

Overview

Note:

On the 7210 SAS-R6 and 7210 SAS-R12, only unicast traffic sent out of RVPLS SAPs uses per-SAP egress queues. BUM traffic sent out of RVPLS SAPs uses per-port egress queues.

The Service Egress policy defines the Service Level Agreement (SLA) for service packets as they egress on the access SAP. Service Egress QoS policies allow the definition of queue parameters along with a remark policy.

Service Egress Qos policies are available for use only when per SAP egress queues (SAP-based queuing mode) are used. It is not available when port-based queuing mode (that is, with per access port egress queues) is in use.

Note:

The 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12, on port egress, use either port-based egress queuing and shaping or SAP-based egress queuing and shaping for all SAPs configured on the port. The config system global-resource-profile qos port-scheduler-mode command on the 7210 SAS-R6 and 7210 SAS-R12 and the config system resource-profile qos port-scheduler-mode command on the 7210 SAS-Mxp allows the user to select the mode for all SAPs configured on either access ports or hybrid ports. When port-scheduler-mode is enabled, the software allocates eight egress queues per port (access port or hybrid port). See Schedulers on 7210 SAS-R6 and 7210 SAS-R12 for more information. When port-scheduler-mode is disabled, the software allocates eight egress queues per SAP, which are configured using service egress policies.

Basic configurations

To use per SAP service egress policies, the following must be configured:

  • Disable port-scheduler mode using the config system res-prof qos no port-scheduler-mode command on the 7210 SAS-Mxp, and config system global-res-prof no port-scheduler-mode on the 7210 SAS-R6 and 7210 SAS-R12.

  • Ensure resources are available for use by SAP egress queues in the ingress-internal-tcam resources pool using the config system resource-profile ingress-internal-tcam qos-sap-egress-resource command.

A basic service egress QoS policy must conform to the following:

  • have a unique service egress QoS policy ID

  • have a QoS policy scope of template or exclusive

  • have at least one forwarding class queue

Create a SAP egress policy

To create a new SAP Egress policy, define the following:

  • a SAP egress policy name

  • a brief description of the policy features

  • the queue parameters for all the queues

Use the following syntax to configure a SAP egress policy.

 
    A:Dut-A>config>qos# sap-egress
      - no sap-egress <policy-id>
      - sap-egress <policy-id> [create]
    
     <policy-id>          : [1..65535]|<name:64 char max>
     <create>             : keyword - mandatory while creating an entry.
    
    
     [no] description     - Description for this sap-egress policy
     [no] queue           + Configure a queue
     [no] remark          - Specify Remarking policy for this policy
     [no] remarking       - Enable/disable remarking
     [no] scope           - Specify scope of the policy

The following is a sample SAP Egress policy configuration output for the 7210 SAS-Mxp.


*A:sim_dutc>config>qos>sap-egress# info detail
----------------------------------------------
            description "Default SAP egress QoS policy."
            scope template
            no remarking
            remark 2
            queue 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
                queue-mode weighted
                weight 1
            exit
            queue 2
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
                queue-mode weighted
                weight 1
            exit
            queue 3
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
                queue-mode weighted
                weight 1
            exit
            queue 4
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
                queue-mode weighted
                weight 1
            exit
            queue 5
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
                queue-mode weighted
                weight 1
            exit
----------------------------------------------
A:Dut-B>config>qos>sap-egress#

The following is a sample SAP Egress configuration output for the 7210 SAS-R6 and 7210 SAS-R12.

*A:SAS>config>qos>sap-egress# info detail 
----------------------------------------------
            description "Default SAP egress QoS policy."
            scope template
            no remarking 
            remark 2
            queue 1 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 2 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 3 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"  
            exit
            queue 4 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 5 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 6 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 7 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
            queue 8 
                port-parent cir-level 1 pir-weight 1
                adaptation-rule pir closest cir closest
                rate cir 0 pir max
                queue-mgmt "default"
            exit
----------------------------------------------
*A:SAS>config>qos>sap-egress#

Editing QoS policies

Existing policies and entries can be edited through the CLI or NMS. The changes are applied immediately to all services where the policy is applicable.

To prevent configuration errors, perform the following:

  1. Copy the policy to a work area.

  2. Edit the policy.

  3. Overwrite the original policy.

Service egress policy command reference

Command hierarchies

Operational commands

config
    - qos
        - copy sap-egress src-pol dst-pol [overwrite]

Show commands

show
    - qos
        - sap-egress [policy-id] [detail | association]

Command descriptions

Configuration commands

Generic commands
description
Syntax

description description-string

no description

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command creates a text description stored in the configuration file for a configuration context.

The description command associates a text string with a configuration context to help identify the context in the configuration file.

The no form of this command removes any description string from the context.

Parameters
description-string

Specifies a text string describing the entity. Allowed values are any string up to 80 characters composed of printable, 7-bit ASCII characters. If the string contains special characters (#, $, spaces, and so on), the entire string must be enclosed within double quotes.

SAP egress queue QoS policy commands
adaptation-rule
Syntax

adaptation-rule [cir adaptation-rule] [pir adaptation-rule]

no adaptation-rule

Context

config>qos>sap-egress>queue

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command defines the method used by the system to derive the operational CIR and PIR rates when the queue is provisioned in hardware. For the cir and pir parameters, the system attempts to find the best operational rate depending on the defined constraint.

The no form of this command removes any explicitly defined constraints used to derive the operational CIR and PIR created by the application of the policy. When a specific adaptation-rule is removed, the default constraints for cir and pir apply.

Default

adaptation-rule pir closest cir closest

Parameters
cir adaptation-rule

Specifies the adaptation rule and defines the constraints enforced when adapting the CIR rate defined using the queue queue-id rate command. The cir parameter requires a qualifier that defines the constraint used to derive the operational CIR rate for the queue. When the cir parameter is not specified, the default constraint applies. The max (maximum), min (minimum), and closest qualifiers are mutually exclusive. Supported hardware rates and burst step sizes for CIR and PIR values on the 7210 SAS-Mxp, 7210 SAS-R6, 7210 SAS-R12, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-T lists the supported hardware step-size rates.

Default

closest

Values

max — Specifies that the operational CIR value is less than or equal to the specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

min — Specifies that the operational CIR value is greater than or equal to the specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

closest — Specifies that the operational CIR value is equal to the closest specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

pir adaptation-rule

Specifies the adaptation rule and defines the constraints enforced when adapting the PIR rate defined using the queue queue-id rate command. The pir parameter requires a qualifier that defines the constraint used when deriving the operational PIR rate for the queue. When the pir command is not specified, the default constraint applies. The max (maximum), min (minimum), and closest qualifiers are mutually exclusive. Supported hardware rates and burst step sizes for CIR and PIR values on the 7210 SAS-Mxp, 7210 SAS-R6, 7210 SAS-R12, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-T lists the supported hardware step-size rates.

Default

closest

Values

max — Specifies that the operational PIR value is less than or equal to the specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

min — Specifies that the operational PIR value is greater than or equal to the specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

closest — Specifies that the operational PIR value is equal to the closest specified rate, taking into account the hardware step size. The hardware step size varies based on the rate and the platform.

queue
Syntax

queue queue-id create

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command configures queue parameters.

Parameters
queue-id

Specifies the ID of the queue.

Values

1 to 8

create

Keyword to create a network queue policy.

sap-egress
Syntax

sap-egress policy-id [create]

Context

config>qos

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command configures a SAP Egress policy. The SAP egress policy determines the QoS treatment to packets on service egress.

When the policy is created, by default only one queue is created. The user can create up to eight queues and associate each queue to different FCs on the SAPs to which this sap-egress policy is attached. A SAP egress policy allows the user to define the queue parameters for the eight queues.

Default

1

Parameters
policy-id

Specifies the ID of the SAP Egress policy.

Values

1 to 65535

create

Keyword to create a SAP Egress policy

remark
Syntax

remark policy-id

no remark

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command specifies the remarking policy ID to use for marking packets on service egress (also known as SAP egress).

The remarking policy ID must be associated with the appropriate sap-egress policy and remarking must be enabled in the sap-egress policy to enable marking of packets sent out of the SAP. Only remarking policy of type dot1p, or dot1p-lsp-exp-shared is allowed to be used when the remark policy is associated with sap-egress. See Summary of remark policy and attachment points for 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12 for more information on remark policies.

Note:

On the 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12, remarking is user configurable and supports SAP-based marking per SAP and port-based marking per access port. See Access egress QoS policies on 7210 SAS-Mxp and Summary of remark policy and attachment points for 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12 for more information about access port-based marking capabilities.

The no form of this command removes the explicit association of the remark policy and associates the default remark policy. If remarking is enabled and no remark policy is executed, the default remark policy is used to mark packets sent out. If no remark policy is executed and remarking is disabled, packets are not remarked.

Parameters
policy-id

Specifies the remark policy.

Values

1 to 65535

remarking
Syntax

no remarking

remarking

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command enables the system to remark egress packets sent out of service egress (also known as Access SAP egress).

When remarking is enabled, the remark policy configured in the QoS policy context is used to determine the FC to QoS bit mapping. For example, when remarking is enabled in the -egress QoS policy, the remark policy associated with sap-egress QoS policy is used to determine the FC to dot1p mapping to use for marking packets sent out of access ports.

See Remark policies and Summary of remark policy and attachment points for 7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12 for more information about the remark policy that can be used to configure FC to priority bit markings in different QoS policies associated with different service entities.

The no form of this command disables remarking.

Default

no remarking

scope
Syntax

scope {exclusive | template}

no scope

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command configures the scope as exclusive or template. The policy’s scope cannot be changed if the policy is applied to an interface multiple ports.

The no form of this command reverts the scope of the policy to the default.

Default

template

Parameters
exclusive

Specifies that the policy can only be applied to one interface or port. If a policy with an exclusive scope is assigned to a second interface, an error message is generated. If the policy is removed from the exclusive interface, it will become available for assignment to another exclusive interface. The system default policies cannot be put into the exclusive scope. An error will be generated if scope exclusive is executed in any policies with a policy-id equal to default QoS policies are configured with template scope. An error is generated if you try to modify the scope parameter from template to exclusive scope on default policies.

template

Specifies that the policy can be applied to multiple interfaces or ports on the router.

queue-mgmt
Syntax

[no] queue-mgmt name

Context

config>qos>sap-egress>queue

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command associates the specified queue management policy with this queue.

The queue management policy is used to specify the queue buffer parameters and queue slope policy parameters.

The no form of this command associates the default SAP egress queue management policy with this queue.

Parameters
name

Specifies the name of the queue management policy, up to 32 characters.

queue-mode
Syntax

[no] queue-mode queue-mode

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command determines whether the queue operates in strict or weighted mode.

The no form of this command reverts the queue mode to the default.

Default

weighted

Parameters
queue-mode

Specifies the queue mode.

strict — Specifies that the scheduler schedules the queue in order of their priority in the two passes, the CIR loop and the PIR loop.

weighted — Specifies that the scheduler examines these queues in two passes - CIR loop and PIR loop. In the CIR loop, it distributes the available bandwidth to all the strict and then weighted queues in round-robin up to the configured CIR rate. It examines the weighted queues in the PIR loop, after examining all the strict queues and distributes the available bandwidth, if any, in the proportion of the configured weights.

rate
Syntax

rate cir cir-rate-in-kbps [pir pir-rate-in-kbps]

no rate

Context

config>qos>sap-egress>queue

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command defines the administrative Peak Information Rate (PIR) and the administrative Committed Information Rate (CIR) parameters for the queue. The PIR defines the maximum rate that the queue can transmit packets through the port. Defining a PIR does not necessarily guarantee that the queue can transmit at the intended rate. The actual rate sustained by the queue can be limited by oversubscription factors or available egress bandwidth. The CIR defines the rate at which the system prioritizes the queue over other queues competing for the same bandwidth.

The rate command can be executed at anytime, altering the PIR and CIR rates for all queues created on the access ports.

The no form of this command reverts all queues created with the queue ID by association with the QoS policy to the default PIR (max) and CIR (0) parameters.

Default

rate cir 0 pir max

Parameters
cir cir-rate-in-kbps

Specifies the administrative CIR rate, in kilobits, for the queue. The cir parameter overrides the default administrative CIR used by the queue. If the rate command is not executed or the cir parameter is not explicitly specified, the default CIR value is used.

Values

0 to 10000000, max

Default

0

pir pir-rate-in-kbps

Specifies the administrative PIR rate, in kilobits, for the queue. When the rate command is executed, a PIR setting is optional. If the rate command is not executed, the default PIR of maximum value is used. The max default specifies the amount of bandwidth in kilobits per second (thousand bits per second). The max value is mutually exclusive to the pir-rate value.

Values

1 to 10000000, max

Default

max

weight
Syntax

[no] weight weight

Context

config>qos>sap-egress>queue

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command configures the weight of the queue.

For queues configured in weighted mode, the CIR of the queues are met if bandwidth is available and the configured weights are considered in the PIR loop. The configured weight determines the proportion of available bandwidth that is given to this queue in comparison to other queues contending for bandwidth at the same priority level.

The no form of this command reverts the weight to the default value.

Default

1

Parameters
weight

Specifies the value for the weight parameter. The value is an integer value which specifies the proportion of available bandwidth to be allocated to this queue relative to other queues.

Values

1 to 15

scope
Syntax

scope {exclusive | template}

no scope

Context

config>qos>sap-egress

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command configures the scope as exclusive or template. The policy’s scope cannot be changed if the policy is applied to an interface multiple ports.

The no form of this command reverts the scope of the policy to the default.

Default

template

Parameters
exclusive

Specifies that the policy can only be applied to one interface port. If a policy with an exclusive scope is assigned to a second interface an error message is generated. If the policy is removed from the exclusive interface, it will become available for assignment to another exclusive interface. The system default policies cannot be put into the exclusive scope. An error will be generated if scope exclusive is executed in any policies with a policy ID equal to 1.

template

Specifies that the policy can be applied to multiple interface ports on the router.

Default QoS policies are configured with template scope. An error is generated if you try to modify the scope parameter from template to exclusive scope on default policies.

Operational commands

copy
Syntax

copy sap-egress src-pol dst-pol [overwrite]

Context

config>qos

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command copies the existing SAP egress QoS policy entries to another SAP egress QoS policy.

The copy command is a configuration level maintenance tool used to create new policies using existing policies. It also allows bulk modifications to an existing policy with the use of the overwrite keyword.

If the destination policy already exists, the overwrite keyword must be specified.

Parameters
src-pol

Specifies the source policy.

Values

1 to 65535

dst-pol

Specifies the destination policy.

Values

1 to 65535

overwrite

Keyword to overwrite the information in the destination policy by the information in the source policy.

Show Commands

sap-egress
Syntax

sap-egress [policy-id] [association | detail]

Context

show>qos

Platforms

7210 SAS-Mxp, 7210 SAS-R6, and 7210 SAS-R12

Description

This command displays SAP egress QoS policy information.

Parameters
policy-id

Displays the policy ID of the sap-egress policy.

association

Displays associations related to the specified sap-egress policy.

detail

Displays detailed policy information including the policy associations.

Output

The following outputs are examples of SAP egress QoS policy information. The associated tables describe the output fields.

Sample output (7210 SAS-Mxp)
A:7210SAS>show>qos# sap-egress

===============================================================================
Sap Egress Policies
===============================================================================

-------------------------------------------------------------------------------
Policy-id  Remark  Remark        Scope       Name            Description
                  Policy-id
-------------------------------------------------------------------------------
1          False  2          Template   default             Default SAP egress
===============================================================================
A:7210SAS>show>qos#
Table 1. Output fields: SAP egress QoS policy (7210 SAS-Mxp)
Label Description

Policy-Id

The ID that uniquely identifies the policy

Remark

True — Remarking is enabled for all the dot1q-tagged packets that egress the ports on which the sap-egress QoS policy is applied and remarking is enabled

False — Remarking is disabled for the policy

Remark Pol Id

Displays the policy ID of the remarking policy

Accounting

Specifies whether the accounting mode is packet-based or frame-based

Scope

Exclusive — Implies that this policy can be applied only to a single access egress port

Template — Implies that this policy can be applied to

multiple access ports on the router

Description

A text string that helps identify the policy’s context in the configuration file

Sample output (7210 SAS-R6 and 7210 SAS-R12)
A:SAS>config>qos# show qos sap-egress 1 detail 

===============================================================================
QoS Sap Egress
===============================================================================
-------------------------------------------------------------------------------
Sap Egress Policy (1)
-------------------------------------------------------------------------------
Scope                     : Template          
Remark                    : False             Remark Pol Id        : 2
Accounting                : frame-based       
Description    : Default SAP egress QoS policy.
-------------------------------------------------------------------------------
Queue Rates and Rules
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
QueueId        CIR          CIR Adpt Rule        PIR          PIR Adpt Rule
-------------------------------------------------------------------------------
Queue1          0              closest            max            closest  
Queue2          0              closest            max            closest  
Queue3          0              closest            max            closest  
Queue4          0              closest            max            closest  
Queue5          0              closest            max            closest  
Queue6          0              closest            max            closest  
Queue7          0              closest            max            closest  
Queue8          0              closest            max            closest  
-------------------------------------------------------------------------------
Parent Details
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
QueueId          Port       CIR Level      PIR Weight
-------------------------------------------------------------------------------
Queue1          True             1             1  
Queue2          True             1             1  
Queue3          True             1             1  
Queue4          True             1             1  
Queue5          True             1             1  
Queue6          True             1             1  
Queue7          True             1             1  
Queue8          True             1             1  
-------------------------------------------------------------------------------
High Slope
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
QueueId        State      Start-Avg(%)   Max-Avg(%)   Max-Prob(%) 
-------------------------------------------------------------------------------
Queue1          Down            70           90            75 
Queue2          Down            70           90            75 
Queue3          Down            70           90            75 
Queue4          Down            70           90            75 
Queue5          Down            70           90            75 
Queue6          Down            70           90            75 
Queue7          Down            70           90            75 
Queue8          Down            70           90            75 
-------------------------------------------------------------------------------
Low Slope
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
QueueId        State      Start-Avg(%)   Max-Avg(%)   Max-Prob(%) 
-------------------------------------------------------------------------------
Queue1          Down            50           75            75 
Queue2          Down            50           75            75 
Queue3          Down            50           75            75 
Queue4          Down            50           75            75 
Queue5          Down            50           75            75 
Queue6          Down            50           75            75 
Queue7          Down            50           75            75 
Queue8          Down            50           75            75 
-------------------------------------------------------------------------------
Burst Sizes and Time Average Factor   
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
QueueId         CBS            MBS       Time Average Factor        Queue-Mgmt
-------------------------------------------------------------------------------
Queue1          def               def              7           default
Queue2          def               def              7           default
Queue3          def               def              7           default
Queue4          def               def              7           default
Queue5          def               def              7           default
Queue6          def               def              7           default
Queue7          def               def              7           default
Queue8          def               def              7           default
-------------------------------------------------------------------------------
Associations
-------------------------------------------------------------------------------
Service-Id                : 1 (Epipe)         Customer-Id          : 1
 - SAP : 1/1/1:1                   
Service-Id                : 101 (Epipe)       Customer-Id          : 1
 - SAP : 1/1/2:101                 

-------------------------------------------------------------------------------
Mirror SAPs
-------------------------------------------------------------------------------
No Mirror SAPs Found.
===============================================================================
A:SAS>config>qos#                                                        
Table 2. Output fields: SAP egress QoS policy (7210 SAS-R6 and 7210 SAS-R12)
Label Description

Policy-Id

Displays the ID that uniquely identifies the policy

Remark

True — Remarking is enabled for all the dot1q-tagged packets that egress the ports on which the SAP-egress QoS policy is applied and remarking is enabled

False — Remarking is disabled for the policy

Remark Pol Id

Displays the policy ID of the remarking policy

Accounting

Specifies whether the accounting mode is packet-based or frame-based

Scope

Exclusive — Specifies that this policy can be applied only to a single access egress port

Template — Specifies that this policy can be applied to multiple access ports on the router

Description

A text string that helps identify the policy context in the configuration file

Queue Rates and Rules

QueueId

Displays the queue identifier associated with the SAP-egress QoS policy

Explicit/Default

Explicit — Specifies the egress dot1p bits marking for fc-name, if explicitly configured

Default —Specifies the default dot1p value according to FC-Dot1p marking map as listed in Default remarking policy for dot1p on 7210 SAS-R6 and 7210 SAS-R12 , if explicit values are not configured

CIR

Specifies the administrative CIR parameters for the queue

The CIR defines the rate at which the system prioritizes the queue over other queues competing for the same bandwidth.

CIR Adpt Rule

min — The operational CIR for the queue is equal to or greater than the administrative rate specified using the rate command

max — The operational CIR for the queue is less than or equal to the administrative rate specified using the rate command

closest — The operational CIR for the queue is the rate closest to the rate specified using the rate command without exceeding the operational PIR

PIR

Specifies the administrative PIR parameters for the queue

The PIR defines the maximum rate that the queue can transmit packets through the access port.

PIR Adpt Rule

min — The operational PIR for the queue is equal to or greater than the administrative rate specified using the rate command

max — The operational PIR for the queue is less than or equal to the administrative rate specified using the rate command

closest — The operational PIR for the queue is the rate closest to the rate specified using the rate command

Parent Details

QueueId

Displays the queue identifier associated with the SAP-egress QoS policy

Port

Indicates whether the parent scheduler is a port scheduler

CIR Level

Displays the priority of the queue in the CIR loop

PIR Weight

Displays the weight of the queue used in the PIR loop

High Slope/Low slope

QueueId

Displays the queue identifier associated with the SAP-egress QoS policy

State

Displays the state of the queue

The state of the queue can be either ‟Up” or ‟Down”.

Start Avg

Specifies the low priority or high priority RED slope position for the shared buffer average utilization value, where the packet discard probability starts to increase above zero

Max Avg

Specifies the percentage of the shared buffer space for the buffer pool at which point the drop probability becomes ‟1”

This parameter is expressed as a decimal integer.

Max Prob

Specifies the high-priority RED slope position for the maximum non-one packet discard probability value before the packet discard probability rises directly to one

Burst Sizes and Time Average Factor

QueueId

Displays the queue identifier associated with the SAP-egress QoS policy

CBS

Displays the configured CBS value

MBS

Displays the configured MBS value

Time Average Factor

Displays the value of the time average factor in use

Queue-Mgmt

Displays the queue management policy in use

Service Associations

Service-Id

The unique service ID number that identifies the service in the service domain

Customer-Id

Specifies the customer ID that identifies the customer to the service

SAP

Specifies the SAP within the service where the SAP-egress policy is applied