SMC Networks TIGERSWITCH SMC6752AL2 ユーザーズマニュアル

4-226

This command assigns class of service (CoS) values to the priority queues 
(i.e., hardware output queues 0 - 3). Use the no form set the CoS map to 
the default values.

queue cos-map queue_id [cos1 ... cosn]
no queue cos-map

• queue_id - The ID of the priority queue.

Ranges are 0 to 3, where 3 is the highest priority queue. 

• cos1 .. cosn - The CoS values that are mapped to the queue ID. It is a 

space-separated list of numbers. The CoS value is a number from 0 
to 7, where 7 is the highest priority.

This switch supports Class of Service by using four priority queues, 
with Weighted Round Robin queuing for each port. Eight 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 below.

Interface Configuration (Ethernet, Port Channel)

• CoS values assigned at the ingress port are also used at the egress port.
• This command sets the CoS priority for all interfaces.

0

1

2

3

Priority

1,  2

0,  3

4,  5

6,  7