Dell PowerConnect 6248 User's Guide - Page 703

• Class of Service - Lists each class of service on a separate line, so a separate queue can be assigned to each class of service. • Queue - Selects a queue for each Class of Service from the drop-down menu. Default queues are displayed initially. • Restore Defaults - Restores default queue values when checked and Apply Changes is clicked. Configuring CoS (802.1P) Trust Mode 1. Open the Mapping Table Configuration page. 2. Select the unit and port or LAG to be affected, or select Global to apply the settings to all interfaces. 3. Select a Trust Mode. 4. Select a Queue to associate with each Class of Service. 5. Click Apply Changes. Changes made are applied to the selected interfaces, and the device is updated. Restoring Queue Defaults 1. Open the Mapping Table Configuration page. 2. Click the Restore Defaults check box. 3. Click Apply Changes. Queues are returned to their defaults for each Class of Service, and the device is updated. Configuring the IP DSCP Table To access the DSCP Queue Mapping Table, click Quality of Service →Class of Service →Mapping Table Configuration in the tree view, and then click the DSCP Table link. Configuring Quality of Service 703