Chapter 11 Layer 3 QoS
The Workflow for WRED/DRR
Figure 11-9 CAR Policy Status Window
Step 2 Choose the correct Chassis, Module, and IP Interface from the list boxes at the left of the window.
The Workflow for WRED/DRR
To begin working with WRED objects, the first step is to create and configure a CoS queue group (which includes DRR, or Distributed Round Robin). You can then apply the created CoS queue group to one or multiple interfaces. At a time, only one CoS queue group can be applied to any number of interfaces.
At any given time, you also have the option to edit, delete, or change the association of a CoS queue group.
Engine Type Support for WRED
If an attempt is made to apply a WRED policy to an engine 1 or 3 module, then the request will be refused and an appropriate error message issued to the client. The full range of WRED functionality will be supported for engine 0, 2, 4 and 4+ modules.
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