150Dell PowerConnect 28xx Systems User Guide
Mapping CoS Values to Queues
The CoS to Queue Mapping Table
 
page contains fields for classifying CoS settings to traffic queues. To 
open the
 
CoS to Queue Mapping Table
 
page, click Quality of ServiceCoS Global Parameters CoS 
to Queue in the tree view. 
Figure 9-5. CoS to Queue Mapping Table 
•
Class of Service
 — Specifies the CoS priority tag values, where zero is the lowest value and 7 is the 
highest value.
•
Queue
 — The traffic forwarding queue to which the CoS priority is mapped. Four traffic priority 
queues are supported.
Restore Defaults
 — Restores the device factory defaults for mapping CoS values to a forwarding queue. 
Mapping a CoS value to a Queue
1
Open the 
CoS to Queue Mapping Table
 
page.
2
Select a CoS entry. 
3
Define the queue number in the 
Queue
 
field.
4
Click 
Apply Changes
. 
The CoS value is mapped to a queue, and the device is updated.