No Override - HP ProCurve 5300xl Series Management Manual
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Also See for ProCurve 5300xl Series:
- Access security manual (292 pages) ,
- Specification sheet (12 pages) ,
- Management and configuration manual (508 pages)
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Using QoS Classifiers To Configure Quality of Service for Outbound Traffic
type-of-service
Displays the current type-of-service priority configu
ration. The display output differs according to the ToS
option used:
■
■
protocol-priority
Available on the 5300xl switches only. Displays the
current protocol priority configuration.
vlan-priority
Displays the current VLAN priority configuration.
Refer to figure 8-26 on page 8-53.
port-priority
Displays the current source-port priority configura
tion. Refer to figure 8-31 on page 8-58.
No Override
By default, the IP ToS, Protocol, VLAN-ID, and (source) port show outputs
automatically list No-override for priority options that have not been config
ured. This means that if you do not configure a priority for a specific option,
QoS does not prioritize packets to which that option applies, resulting in the
No override state. In this case, IP packets received through a VLAN-tagged port
receive whatever 802.1p priority they carry in the 802.1Q tag in the packet's
header. VLAN-Tagged packets received through an untagged port are handled
in the switch with "normal" priority. For example, figure 8-7 below shows a
qos VLAN priority output in a switch where nondefault priorities exist for
VLANs 22 and 33, while VLAN 1 remains in the default configuration.
Figure 8-7. Example of the Show QoS Output for VLAN Priority
Quality of Service (QoS): Managing Bandwidth More Effectively
IP Precedence: Refer to figure 8-16 on page 8-37.
Diffserve: Refer to figure 8-18 on page 8-41.
This output shows that
VLAN 1 is in the default
state, while VLANs 22 and
33 have been configured
for 802.1p and DSCP Policy
priorities respectively.
8-23
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