D-Link DWS-3250 Product Manual - Page 255

DXS/DWS 3200 Series User Guide • Remove - Removes policies. The possible field values are: - Checked - Removes the selected policy. - Unchecked - Maintains policies. 2. Click . The Add QoS Policy Profile Page opens: Figure 170:Add QoS Policy Profile Page In addition to the fields in the Policy Page, the Add QoS Policy Profile Page contains the following fields: • Class Map - Selects a class map for the class. • Action - Optional action for the class. Possible values are: - Trust - Enables Trust Mode for the class. This command is used to distinguish the QoS trust behavior for given traffic. When a given type is trusted, the QoS mechanism maps a packet to a queue using the received or default value and the relevant map, as defined on the QoS Settings. By designating trust, it is possible to trust only incoming traffic with certain DSCP values. - Set/Mark - Sets the Trust value to a user-defined value. - New Value - Defines the Set/Mark value. • Police - Selects the option of configuring a Police entry. • Type - Policer type for the class. Possible values are: - Aggregate - Configures the class to use a configured aggregate policer selected from the drop-down menu. An aggregate policer is defined if the policer is shared with multiple classes. Traffic from two different ports can be configured for policing purposes. An aggregate policer can be applied to multiple classes in the same policy map, but cannot be used across different policy maps. - Single - Configures the class to use manually configured information rates and exceed actions. • Aggregate Policer - User-defined aggregate policers. Page 254