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play_arrow Hierarchical Class of Service
- play_arrow Configuring Hierarchical Class of Service on MX Series 5G Universal Routing Platforms
- play_arrow Configuring Hierarchical Class of Service on MICs, MPCs, MLCs, and Aggregated Ethernet Interfaces
play_arrow Hierarchical CoS for Subscriber Management
play_arrow Configuration Statements and Operational Commands
- Junos CLI Reference Overview

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Configuring CoS Three-Level Hierarchical Scheduling for MPLS Pseudowire Subscriber Interfaces (Logical Interfaces over a Pseudowire Interface Set)

date_range 29-Nov-23

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Before configuring three-level scheduling on pseudowire logical interfaces over a pseudowire logical interface set, you must first complete the following tasks:

Configure the pseudowire logical interfaces. See Configuring a Pseudowire Subscriber Logical Interface.
Configure the pseudowire device count. See Configuring the Maximum Number of Pseudowire Logical Interface Devices Supported on the Router.
Configure the pseudowire device including the logical tunnel anchor point. See Configuring a Pseudowire Subscriber Logical Interface Device.
Configure the pseudowire transport logical interface. See Configuring the Transport Logical Interface for a Pseudowire Subscriber Logical Interface.
Configure the pseudowire signaling (either Layer 2 circuit signaling or Layer 2 VPN signaling). See Configuring Layer 2 Circuit Signaling for Pseudowire Subscriber Logical Interfaces or Configuring Layer 2 VPN Signaling for Pseudowire Subscriber Logical Interfaces.
Configure the pseudowire logical interfaces. See Configuring the Service Logical Interface for a Pseudowire Subscriber Logical Interface.

Three-level scheduling on pseudowire logical interfaces over a pseudowire logical interface set requires you to apply the traffic-control profiles at both the pseudowire logical interface and the pseudowire logical interface-set. To configure CoS policies on MPLS pseudowire subscriber interfaces using three-level implicit hierarchical scheduling:

Configure the hierarchical scheduler for the physical interface used for the logical tunnel (anchor point). For three-level scheduling the hierarchical scheduler must be set to implicit-hierarchy.
```
[edit]
user@host#edit interfaces ps-anchor-device-name
user@host#set hierarchical-scheduler implicit-hierarchy
```

Specify the traffic-control profile to use on the pseudowire logical interfaces.

content_copy zoom_out_map
[edit class-of-service]
user@host#edit interfaces ps ps-device-name 
user@host#edit unit logical-unit-number
user@host#set output-traffic-control-profile profile-name

Define a pseudowire logical interface set and configure the traffic-control profile used for the interface set.

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[edit class-of-service]
user@host#edit interfaces
user@host#edit interface-set interface-set-name
user@host#edit output-traffic-control-profile profile-name

Group the pseudowire logical interfaces in the pseudowire logical interface set.

content_copy zoom_out_map
[edit ]
user@host#edit interfaces
user@host#edit interface-set interface-set-name
user@host#edit interface ps ps-device-name 
user@host#edit unit logical-unit-number 

Configure the rewrite rule.

The available rewrite rule types for pseudowire interfaces are dscp and inet-precedence.

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[edit class-of-service]
user@host#edit interfaces ps ps-device-name 
user@host#edit unit logical-unit-number
user@host#edit rewrite-rules (dscp | inet-precedence) rewrite-name
user@host#edit forwarding-class class-name
user@host#set loss-priority class-name code-point (alias | bits)

Configure the classifier.

The available classifier types for pseudowire interfaces are dscp and inet-precedence.

content_copy zoom_out_map
[edit class-of-service]
user@host#edit interfaces ps ps-device-name 
user@host#edit unit logical-unit-number
user@host#edit classifiers (dscp | inet-precedence) classifier-name
user@host#edit forwarding-class class-name
user@host#set loss-priority class-name code-points [aliases] [bit-patterns]

Apply the rewrite rule and classifier to the pseudowire interfaces.

For the interface_name parameter, specify the ps device name.

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[edit class-of-service interfaces interface_name unit logical-unit-number]
user@host#set rewrite-rule (dscp | inet-precedence) (rewrite-name | default) protocol protocol-types
user@host#set classifiers (dscp | inet-precedence) (classifier-name | default)

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Hierarchical Class of Service User Guide

Configuring CoS Three-Level Hierarchical Scheduling for MPLS Pseudowire Subscriber Interfaces (Logical Interfaces over a Pseudowire Interface Set)

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Hierarchical Class of Service User Guide

Configuring CoS Three-Level Hierarchical Scheduling for MPLS Pseudowire Subscriber Interfaces (Logical Interfaces over a Pseudowire Interface Set)

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