Default Setting

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 in the following table.

TABLE 4-21IEEE 802.1p Default Priority Recommendations

 

 

 

Queue

 

Priority

0

1

2

3

 

 

 

 

 

0

 

 

 

1

 

 

 

2

 

 

 

3

 

 

 

4

 

 

 

5

 

 

 

6

 

 

 

7

 

 

 

 

 

 

 

 

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.

4-154Sun Fire B1600 Blade System Chassis Switch Administration Guide • June 2003

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Sunfire B1600 manual 21IEEE 802.1p Default Priority Recommendations