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Setup Command Menu 82
Model 2160 Series User Manual 5 • Console and Telnet configuration
QoS
Quality of Service (QoS) refers to both a network's ability to deliver data with minimum delay, and the net-
working methods used to control the use of bandwidth. Without QoS, all traffic date is equally likely to be
dropped when the network is congested. This can cause a reduction in network performance and mark the net-
work inadequate for a time-critical application such as video-on-demand.
The qos command menu lists commands for managing traffic. Move the cursor “ >>” to qos in the setup menu
and press Enter. The following menu displays:
Mode
You can choose from three types of QoS: Port-Based, VLAN Tag, and IP DSCP. If you are not going to use
the QoS function, set this option to Disable.
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Command: setup qos mode <Disable|PortBased|VlanTag|IpDscp>
Message: Please input the following information.
Trigger qoS function (TAB Select) <Disable>:
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Table 21 shows the options available within the QoS mode command menu:
Queue Schedule
There are two types of queue schedule. Select from Type 1, Type 2 or Type 3. Table 22 explains the schedule
types:
>>
mode Trigger Quality of Service function
qSchdl Modify queue schedule type
qweight Modify queue weight
q0GrssRt Modify queue 0 egress rate
q1GrssRt Modify queue 1 egress rate
q2GrssRt Modify queue 2 egress rate
q3GrssRt Modify queue 3 egress rate
portPri Modify port priority
vlanTagPri Modify VLAN TAG priority
ipDscpPri Modify IP DSCP priority
list Show QoS configuration
Table 21. VLAN Mode Options
Menu Options
QoS Mode Disable Port-Based VLAN Tag IP DSCP
Table 22. Queue Schedule Types
Queue 0 1 2 3
Type 1
WRR WRR WRR WRR
Type 2
BE WFQ WFQ WFQ
Type 3
BE WFQ WFQ SP