HP 5400ZL User Manual

Page 282

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Quality of Service: Managing Bandwidth More Effectively
Globally-Configured QoS

Syntax: no vlan < vid > qos

Removes a global QoS classifier for the specified VLAN.

Syntax: show qos device-priority

Displays a listing of all QoS VLAN-ID classifiers currently
in the running-config file.

Example.

This example, assigns the following DSCP policies (codepoint and

associated 802.1p priority) to packets with the specified VLAN IDs:

VLAN-ID

DSCP

Priority

40

000111

7

30

000101

5

20

000010

1

1

000010

1

1. Determine if the DSCP codepoints that you want to use to mark matching

packets already have an 802.1p priority assigned, which could indicate
use by existing applications (

show qos dscp-map command). This is not a

problem as long as the configured priorities are acceptable for all appli­
cations using the same DSCP (see “Notes on Changing a Priority Setting”
on page 6-91.

Note that a DSCP codepoint must also have a priority configured before
you can use it to mark matching packets.

The DSCPs for this
example have not yet
been assigned an
802.1p priority level.

Figure 6-25. Displaying the Current DSCP-Priority Mapping in the DSCP Policy
Table

6-60

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