Users Guide

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Egress traffic classification
Egress traffic is classified into different queues based on the traffic-class ID marked on the traffic flow.
Set the traffic class ID for a flow by enabling trust or by classifying ingress traffic and mark it with a traffic class ID using a
policy map. By default, the value of traffic class ID for all the traffic is 0.
The order of precedence for a qos-map is:
1. Interface-level map
2. System-qos-level map
3. Default map
Table 120. Default mapping of traffic class ID to queue
Traffic class ID Queue ID
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
User–defined QoS map
You can override the default mapping by creating a QoS map.
Configure user–defined QoS map
1. Create a QoS map.
OS10(config)# qos-map traffic-class tc-q-map
2. Define the set of traffic class values mapped to a queue.
OS10(config-qos-map)# queue 3 qos-group 0-3
1548
Quality of service