29-35
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Chapter 29 Configuring QoS
Configuring Standard QoS
Configuring the Egress Queues
Note This feature is supported by both the SI and EI.
This section describes how to configure the egress queues:
Configuring CoS Priority Queues, page 29-35
Configuring WRR Priority, page 29-35
Enabling the Expedite Queue and Configuring WRR Priority, page 29-36
For more information about the egress queues, see the “Egress CoS Queues” section on page 29-8.

Configuring CoS Priority Queues

Beginning in privileged EXEC mode, follow these steps to configure the CoS priority queues:
To disable the new CoS settings and return to default settings, use the no wrr-queue cos-map global
configuration command.

Configuring WRR Priority

Beginning in privileged EXEC mode, follow these steps to configure the WRR priority:
Command Purpose
Step 1 configure terminal Enter global configuration mode.
Step 2 wrr-queue cos-map qid cos1...cosn Specify the queue ID of the CoS priority queue. (Ranges are 1 to 4 where
1 is the lowest CoS priority queue.)
Specify the CoS values that are mapped to the queue id.
Default values are as follows:
CoS ValueCoS Priority Queues
0, 11
2, 32
4, 53
6, 74
Step 3 end Return to privileged EXEC mode.
Step 4 show wrr-queue cos-map Display the mapping of the CoS priority queues.