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Applying IEEE 802.1ad Classification

For MX-series router interfaces or IQ2 PICs with IEEE 802.1ad frame formats, you can set the forwarding class and loss priority for traffic on the basis of the three IEEE 802.1p bits and the DEI bit. You can apply the default map or customize one or more of the default values.

You then apply the classifier to the interface on which you configure IEEE 802.1ad frame formats.

Defining a Custom IEEE 802.1ad Map

You can customize the default IEEE 802.1ad map by defining values for IEEE 802.1ad code points.



class-of-service {


classifiers {


ieee-802.1ad dot1p_dei_class {


forwarding-class best-effort {
loss-priority low code-points [ 0000 1101 ];
}


}


}


}

Applying a Custom IEEE 802.1ad Map

You then apply the classifier map to the logical interface:



interfaces {


ge-2/0/0 {


unit 0 {


classifiers {
ieee-802.1ad dot1p_dei_class;
}


}


}


}

Verifying a Custom IEEE 802.1ad Map

To verify your configuration, you can issue the following operational mode commands:

show class-of-service forwarding-table loss-priority-map
show class-of-service forwarding-table loss-priority-map mapping
show chassis forwarding
show pfe fwdd

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