Map qos cosp – Allied Telesis AT-S63 User Manual

Page 178

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Chapter 14: Quality of Service (QoS) Commands

178

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)

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