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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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Configuring CoS on an Ethernet Pseudowire for Multiservice Edge Networks

date_range 13-Jan-21

You can configure rewrite rules and classifiers to logical tunnel (LT) interfaces that are configured to represent Ethernet pseudowires.

This feature is supported on MIC and MPC interfaces.

To configure CoS on an LT interface configured for an Ethernet pseudowire:

  1. Configure a pair of LT interfaces to represent a pseudowire.

    To apply rewrite rules and classifiers to the pseudowire, you must assign one of the LT interfaces to the inet family.

    content_copy zoom_out_map
    [edit]
    user@host#edit interfaces lt-fpc/pic/port
    user@host#edit unit logical-unit-number 
    user@host#set encapsulation encapsulation
    user@host#set family (inet | inet6 | iso | mpls)
    user@host#set peer-unit unit-number
    
  2. Configure the rewrite rule.

    The available rewrite rule types for an LT interface are dscp and inet-precedence.

    content_copy zoom_out_map
    [edit class-of-service]
    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)
    
  3. Configure the classifier.

    The available classifier types for an LT interface are dscp and inet-precedence.

    content_copy zoom_out_map
    [edit class-of-service]
    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]
    
  4. Apply the rewrite rule and classifier to the LT interface that you assigned to the inet family.
    content_copy zoom_out_map
    [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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