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Defining Forwarding Classes

By assigning a forwarding class to a queue number, you affect the scheduling and marking of a packet as it transits a J Series or an SRX Series device. For more information about forwarding classes and queues, see the JUNOS Software Interfaces and Routing Configuration Guide.

To define forwarding classes using the J-Web configuration editor:

  1. Select Configure>Class of Service>Forwarding Classes.

    The Forwarding Class Configuration summary page appears.

  2. Fill in the options as shown in Table 124.
  3. Click one of the following buttons:

Table 124: Forwarding Classes Configuration Options

Field

Function

Action

Forwarding Classes Summary

Forwarding class name

Displays the forwarding class name assigned to the internal queue number.

By default, four forwarding classes are assigned to queue numbers 0 (best-effort), 1 (assured-forwarding), 5 (expedited-forwarding), and 7 (network-connect).

None

Queue number

Displays internal queue numbers to which forwarding classes are assigned. By assigning a forwarding class to a queue number, you affect the scheduling and marking of a packet as it transits a J Series or an SRX Series device.

By default, if a packet is not classified, it is assigned to the class associated with queue 0. You can have more than one forwarding class to a queue number.

None

Queue characteristics

Displays the queue characteristics, for example, video or voice.

None

Add

Opens a page that allows you to create a new forwarding class.

Click Add to create a new forwarding class.

Edit

Opens a page that allows you to edit a selected forwarding class.

To edit a forwarding class, select a forwarding class in the summary page, and click Edit.

Delete

Deletes a specified forwarding class.

To delete a forwarding class, select the forwarding class and click Delete.

Add Forwarding Class/Edit Forwarding Class

Queue number

Specifies the internal queue number to which a forwarding class is assigned.

To specify an internal queue number, type an integer from 0 through 7, as supported by your device.

Note: If you create a new forwarding class that overrides the default queue number, the default forwarding class is deleted after a commit.

Forwarding class name

Specifies the forwarding class name assigned to the internal queue number.

To assign a forwarding class name to a queue, type the name—for example, be-class.


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