Dell PowerConnect 5324 User's Guide - Page 339
Defining CoS Global Parameters, Configuring QoS Global Settings, CoS Global Parameter, QoS Settings
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Defining CoS Global Parameters Class of Service global parameters are set from the CoS Global Parameter pages. To open the QoS Settings page, click Quality of Service→CoS Global Parameters →CoS Settings in the tree view. Figure 9-130. QoS Settings Quality of Service - Enables or disables managing network traffic using Quality of Service. Trust Mode - Determines which packet fields to use for classifying packets entering the device. When no rules are defined the traffic containing the predefined packet field (CoS or DSCP) is mapped according to the relevant trust modes table. Traffic not containing a predefined packet field is mapped to best effort. The possible Trust Mode field values are: CoS - The output queue assignment is determined by the IEEE802.1p VLAN priority tag (VPT) or by the default VPT assigned to a port. DSCP - The output queue assignment is determined by the DSCP field. Enabling Quality of Service: 1 Open the QoS Settings page. 2 Select Enable in the CoS Mode field. Configuring Quality of Service 339