HP ProCurve 5300xl Series Management Manual page 319

Quality of Service (QoS): Managing Bandwidth More Effectively
Using QoS Classifiers To Configure Quality of Service for Outbound Traffic
3. Assign the policies to the codepoints in the selected packet types.
The specified DSCP policies
overwrite the original DSCPs
on the selected packets, and
use the 802.1p priorities
previously configured in the
DSCP policies in step 2.
Figure 8-22. Example of Policy Assignment to Outbound Packets on the Basis of the DSCP in the Packets
Received from Upstream Devices
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