Cisco Catalyst 3550 Command Reference Manual page 687

Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
Related Commands Command
show mls qos interface
wrr-queue cos-map
wrr-queue random-detect
max-threshold
wrr-queue threshold
OL-8566-01
Description
Displays quality of service (QoS) information.
Maps assigned class of service (CoS) ingress values to select one of
the egress queues.
Enables WRED and assigns two WRED threshold values to an egress
queue of a Gigabit-capable Ethernet port.
Assigns tail-drop threshold percentages to an egress queue of a
Gigabit-capable Ethernet port.
Catalyst 3550 Multilayer Switch Command Reference
wrr-queue dscp-map
2-661