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D-Link DWS-1008 CLI Manual 73
Quality of Service Commands
Use Quality of Service (QoS) commands to configure packet prioritization in MSS. Packet prioritization
ensures that DWS-1008 switches and DWL-8220AP access points give preferential treatment to high-
priority traffic such as voice and video.
This chapter presents QoS commands alphabetically. Use the following table to locate commands in
this chapter based on their use.
QoS Settings show qos on page 75
show qos dscp-table on page 76
set qos cos-to-dscp-map on page 74
set qos dscp-to-cos-map on page 75
clear qos on page 74
clear qos
Resets the switch’s mapping of Differentiated Services Code Point (DSCP) values to internal
QoS values.
The switch’s internal QoS map ensures that prioritized traffic remains prioritized while transiting
through the DWS-1008 switch. A switch uses the QoS map to do the following:
• Classify inbound packets by mapping their DSCP values to one of eight internal QoS
values
• Classify outbound packets by marking their DSCP values based on the switch’s internal
QoS values
Syntax: clear qos [cos-to-dscp-map [from-qos] | dscp-to-cos-map [from-dscp]]
cos-to-dscp-map Resets the mapping between the specified internal QoS value and the
[from-qos] DSCP values with which MSS marks outbound packets. QoS values are
from 0 to 7.
dscp-to-cos-map Resets the mapping between the specified range of DSCP values and
[from-dscp] internal QoS value with which MSS classifies inbound packets.