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Parameter
dscp-list —— List of DSCP value. One or several DSCP values can be typed
using comma to separate. Use a hyphen to designate a range of values, for
instance, 1, 4-7, 11 indicates choosing 1, 4, 5, 6, 7 and 11. The DSCP value
ranges from 0 to 63.
tc-id —— The priority level the packets with tag are mapped to. It ranges from 0
to 3, which represent TC0, TC1, TC2, TC3 respectively.
Command Mode
Global Configuration Mode
User Guidelines
1. By default, DSCP values 0-15 are mapped to TC0, DSCP values 16-31 are
mapped to TC1, DSCP values 32-47 are mapped to TC2, and DSCP
values 48-63 are mapped to TC3.
2. Among the priority levels TC0-TC3, the bigger value, the higher
priority.
Example
Map DSCP values 10,11,15 to TC0:
TP-LINK(config)# qos dscp config 10,11,15 0
qos scheduler
Description
The qos scheduler command is used to configure the Schedule Mode. To
return to the default configuration, please use no qos scheduler command.
When the network is congested, the program that many packets complete for
resources must be solved, usually in the way of queue scheduling. The switch
will control the forwarding sequence of the packets according to the priority
queues and scheduling algorithms you set. On this switch, the priority levels are
labeled as TC0, TC1… TC3.
Syntax
qos scheduler {sp | wrr | sp+wrr | equ}
no qos scheduler
Parameter
sp —— Strict-Priority Mode. In this mode, the queue with higher priority will
occupy the whole bandwidth. Packets in the queue with lower priority are sent
only when the queue with higher priority is empty.
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