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Example: Configuring a CoS Policy for IPv6 Packets

  1. Define a new classifier of type DSCP IPv6.
    [edit class-of-service]
    classifiers {
    dscp-ipv6 core-dscp-map {
    forwarding-class best-effort {
    loss-priority low code-points 000000;
    }
    forwarding-class assured-forwarding {
    loss-priority low code-points 001010;
    }
    forwarding-class network-control {
    loss-priority low code-points 110000;
    }
    }
    }
  2. Define a new rewrite rule of type DSCP IPv6.
    [edit class-of-service]
    rewrite-rules {
    dscp-ipv6 core-dscp-rewrite {
    forwarding-class best-effort {
    loss-priority low code-point 000000;
    }
    forwarding-class assured-forwarding {
    loss-priority low code-point 001010;
    }
    forwarding-class network-control {
    loss-priority low code-point 110000;
    }
    }
    }
  3. Assign the classifier and rewrite rule to a logical interface.
    [edit class-of-service]
    interfaces {
    so-2/0/0 {
    unit 0 {
    classifiers { # Both dscp and dscp-ipv6 classifiers on this interface.
    dscp default;
    dscp-ipv6 core-dscp-map;
    }
    rewrite-rules { # Both dscp and dscp-ipv6 rewrite rules on this interface.
    dscp default;
    dscp-ipv6 core-dscp-rewrite;
    }
    }
    }
    }

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