Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
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Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
wrr-queue dscp-map
wrr-queue dscp-map
Use the wrr-queue dscp-map interface configuration command on an ingress Gigabit-capable Ethernet
port to map the Differentiated Services Code Point (DSCP) values to the tail-drop or Weighted Random
Early Detection (WRED) thresholds of the egress queues. Use the form no of this command to return the
DSCP map to the default setting.
wrr-queue dscp-map threshold-id dscp1 ... dscp8
no wrr-queue dscp-map [threshold-id]
Syntax Description
Defaults All DSCP values are mapped to threshold 1.
Command Modes Interface configuration
Command History
Usage Guidelines Up to eight DSCP values can be entered per command.
Examples This example shows how to map DSCP values 0 to 9 to threshold 1 and 10 to 14 to threshold 2:
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# wrr-queue dscp-map 1 0 1 2 3 4 5 6 7
Switch(config-if)# wrr-queue dscp-map 1 8 9
Switch(config-if)# wrr-queue dscp-map 2 10 11 12 13 14
You can verify your settings by entering the show running-config or the show mls qos interface
interface-id privileged EXEC command.
threshold-id Threshold ID of the queue. The range is 1 to 2.
dscp1 ... dscp8 DSCP values that are mapped to a threshold ID. Enter up to eight DSCP
values per command. Separate each value with a space. The range is 0 to 63.
Release Modification
12.1(4)EA1 This command was introduced.