COMMAND LINE INTERFACE

Default Setting

This switch supports Class of Service by using four priority queues, with Weighted Round Robin queuing for each port. Up to 8 separate traffic classes are defined in IEEE 802.1p. The default priority levels are assigned according to recommendations in the IEEE 802.1p standard as shown in the following table.

Priority

Queue

 

 

0

1

 

 

1

0

 

 

2

0

 

 

3

1

 

 

4

2

 

 

5

2

 

 

6

3

 

 

7

3

 

 

Command Mode

Interface Configuration (Ethernet, Port Channel)

Command Usage

CoS assigned at the ingress port is used to select a CoS priority at the egress port.

Example

The following example shows how to map CoS values 0, 1 and 2 to CoS priority queue 0, value 3 to CoS priority queue 1, values 4 and 5 to CoS priority queue 2, and values 6 and 7 to CoS priority queue 3:

Console(config)#interface ethernet 1/1

Console(config-if)#queue cos-map 0 0 1 2

Console(config-if)#queue cos-map 1 3

Console(config-if)#queue cos-map 2 4 5

Console(config-if)#queue cos-map 3 6 7

Console(config-if)#

Related Commands

show queue cos-map

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Image 264
SMC Networks SMC7724M/VSW manual 128, Show queue cos-map