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Assigning CoS Components to Interfaces

After you have defined CoS components, you must assign them to logical or physical interfaces. The CoS configuration pages allow you to assign scheduler maps to physical or logical interfaces and to assign forwarding classes, or classifiers, to logical interfaces.

To assign CoS components to interfaces using the J-Web interface:

  1. Select Configure > Class of Service > Assign To Interface (see Figure 28).

    Note: After you make changes to the configuration in this window, you must commit the changes immediately for them to take effect. To commit all changes to the active configuration, select Commit Options > Commit. See Using the Commit Options to Commit Configuration Changes (J-Web Procedure) for details about all commit options.

  2. To configure an interface association, select one from the list and click Edit.
  3. Click OK.
  4. To manage a CoS service assignment on a logical interface, click one of the following:

Figure 28: CoS Configure Interface Association Page

CoS Configure Interface
Association Page

Table 36: Assigning CoS Components to Logical Interfaces



Your Action


Specifies the name of a logical interface. Allows you to assign CoS components to a logical interface configured on a physical interface at the same time.

Type the interface name .

To assign CoS services to all logical interfaces configured on this physical interface, type the wildcard character (*).

Forwarding class

Assigns a predefined forwarding class to incoming packets on a logical interface.

To assign a forwarding class to the interface, select the forwarding class.


Allows you to apply classification maps to a logical interface. Classifiers assign a forwarding class and loss priority to an incoming packet based on its CoS value.

To assign a classification map to the interface, select an appropriate classifier for each CoS value type used on the interface.

Rewrite rules

Allows you to alter the CoS values in outgoing packets to meet the requirements of the targeted peer. A rewrite rule examines the forwarding class and loss priority of a packet and sets its bits to a corresponding value specified in the rule.

To assign rewrite rules to the interface, select the appropriate rewrite rule for each CoS value type used on the interface.

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