User`s manual

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No command
Switch(config)# no qos
Disable QoS function.
Show command
Switch(config)# show qos
Show or verify QoS configurations.
QoS command example
Switch(config)# qos 802.1p
Enable QoS function and use 802.1p
mode.
Switch(config)# qos dscp
Enable QoS function and use DSCP
mode.
Switch(config)# qos port-based
Enable QoS function and use port-based
mode.
Switch(config)# qos vid
Enable QoS function and use VID mode.
2. Set up the DSCP and queue mapping.
DSCP-map command
Parameter
Description
Switch(config)# qos dscp-
map [0-63] dscp_list [0-3]
[0-63]
dscp_list
Specify the corresponding DSCP value
you want to map to a priority queue.
[0-3]
Specify a queue to which the specified
DSCP value is assigned.
No command
Switch(config)# no qos
Disable QoS function
Show command
Switch(config)# show qos
Show or verify QoS configurations.
DSCP-map example
Switch(config)# qos dscp-map 50 3
Mapping DSCP value 50 to priority queue
3.
3. Set up management traffic priority and port user priority.
Management-priority command
Parameter
Description
Switch(config)# qos
management-priority [0-7]
[0-7]
Specify management traffic default
802.1p priority bit.
Port user priority command
Switch(config-if-PORT-PORT)#
qos user-priority [0-7]
[0-7]
Specify the user priority between 0 and
7.
No command
Switch(config)# no qos management-priority
Set management traffic priority back to
the default setting.
Switch(config-if-PORT-PORT)# no qos user-
priority
Set user priority setting to the default.
Management-priority example
Switch(config)# qos management-priority 4
Set management traffic priority to 4.
Port user priority example
Switch(config)# interface 1-3
Enter several discontinuous port
numbers separated by commas or a
range of ports with a hyphen.