Allied Telesis AT-S63 - Manual (Page 178)

Chapter 14: Quality of Service (QoS) Commands
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MAP QOS COSP
Syntax
map qos cosp= priority-number qid= queue-number
Parameters
cosp Specifies the Class of Service (CoS) priority level. The
CoS priority levels are 0 through 7, with 0 as the
lowest priority and 7 as the highest. You can specify
more than one priority to assign to the same egress
queue.
qid Specifies the egress queue number. The egress
queues are numbered 0 through 7, with queue 0 as
the lowest priority and 7 as the highest.
Description
This command maps CoS priorities to port egress queues. You must
specify both the priority and the queue ID. You can specify more than
one priority to assign to the same egress queue. Table 5 lists the default
mappings between the eight CoS priority levels and the four egress
queues of a switch port.
Table 5. Default Mappings of IEEE 802.1p Priority Levels to Priority
Queues
IEEE 802.1p Priority Level Port Priority Queue
0 Q0 (lowest)
1 Q1
2 Q2
3 Q3
4 Q4
5 Q5
6 Q6
7 Q7 (highest)