D-Link DGS-3630-52PC User Manual 1 - Page 461

DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Parameter WRED State Profile Weight ECN State Description Select to enable or disable the WRED feature state on the specified port(s) here. Enter the WRED profile ID here. The range is from 1 to 128. Enter the exponential weight value here. The range is from 0 to 15. This feature is used to configure the WRED exponential weight factor for the average queue size calculation for the queue. Select to enable or disable the ECN feature on the specified port(s) here. Click the Apply button to accept the changes made. WRED Drop Counter This window is used to view and clear the WRED drop counter information. To view the following window, click QoS > WRED > WRED Drop Counter, as shown below: Figure 7-29 WRED Drop Counter Window The fields that can be configured are described below: Parameter Unit From Port - To Port Description Select the Switch unit ID that will be used here. Select the Switch port range that will be used here. Click the Clear button to clear the counter information based on the selections made. Click the Clear All button to clear the counter information associated with all entries. iSCSI The iSCSI awareness application involved in providing automated QoS preferential treatment of iSCSI flows can be divided into the following categories: • Detecting the establishment and termination of iSCSI sessions and connections by snooping packets used in the iSCSI protocol. • Maintaining a database of currently active iSCSI sessions and connections to store data about the participants. This allows the formulation of classifier rules giving the data packets for the session the desired QoS treatment. • Installing and removing classifier rule sets as needed for the iSCSI session traffic. 449