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Queue Default Bandwidth Percentage for
4–Queue System
Default Bandwidth Percentage for
8–Queue System
7 — 50%
When you assign a percentage to one queue, note that this change also affects the amount of bandwidth
that is allocated to other queues. Therefore, whenever you are allocating bandwidth to one queue, Dell
Networking recommends evaluating your bandwidth requirements for all other queues as well.
• Allocate bandwidth to queues.
bandwidth-percentage
Assign each queue a bandwidth percentage ranging from 1 to 100%, in increments of 1%.
Specifying WRED Drop Precedence
You can configure the WRED drop precedence in an output QoS policy.
• Specify a WRED profile to yellow and/or green traffic.
QOS-POLICY-OUT mode
wred
For more information, refer to Applying a WRED Profile to Traffic.
Create Policy Maps
There are two types of policy maps: input and output.
Creating Input Policy Maps
There are two types of input policy-maps: Layer 3 and Layer 2.
1. Create a Layer 3 input policy map.
CONFIGURATION mode
policy-map-input
Create a Layer 2 input policy map by entering the policy-map-input layer2 command.
2. After you create an input policy map, do one or more of the following:
Applying a Class-Map or Input QoS Policy to a Queue
Applying an Input QoS Policy to an Input Policy Map
Honoring DSCP Values on Ingress Packets
Guaranteeing Bandwidth to dot1p-Based Service Queues
Honoring dot1p Values on Ingress Packets
3. Apply the input policy map to an interface.
Quality of Service (QoS)
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