Administrator Guide
• Assign each queue a bandwidth percentage ranging from 1 to 100%, in increments of 1%.
bandwidth-percentage
Specifying WRED Drop Precedence
You can congure the WRED drop precedence in an output QoS policy.
• Specify a WRED prole to yellow and/or green trac.
QOS-POLICY-OUT mode
wred
For more information, refer to Applying a WRED Prole to Trac.
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 specifying the keyword layer2 with the policy-map-input 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
Honoring dot1p Values on Ingress Packets
3 Apply the input policy map to an interface.
Applying a Class-Map or Input QoS Policy to a Queue
To apply a class-map or input QoS policy to a queue, use the following command.
• Assign an input QoS policy to a queue.
POLICY-MAP-IN mode
service-queue
Applying an Input QoS Policy to an Input Policy Map
To apply an input QoS policy to an input policy map, use the following command.
• Apply an input QoS policy to an input policy map.
POLICY-MAP-IN mode
policy-service-queue <number> qos-polcy
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Quality of Service (QoS)