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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
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Parameter Description
Select the None option to not associate this configuration with a network QoS
policy map.
Click the Apply button to accept the changes made.
PFC Port Settings
This window is used to display and configure the Priority-based Flow Control (PFC) port settings.
NOTE: The Priority Flow Control (PFC) feature can only be enabled and used on the 10G ports.
To view the following window, click QoS > QoS PFC > PFC Port Settings, as shown below:
Figure 7-25 PFC Port Settings Window
The fields that can be configured in Clear PFC Counters are described below:
Parameter Description
Unit
Select the Switch unit ID that will be used here.
From Port - To Port
Select the Switch port range that will be used here.
Select the All option to specify that all ports will be used here.
Frame Type
Select the frame type that will be cleared here. Options to choose from are:
• RX - Specifies to clear the counters of received PFC frames.
• TX - Specifies to clear the counters of transmitted PFC frames.
• Both - Specifies to clear the counters of received and transmitted PFC
frames.
Click the Clear button to clear the counters based on the selections made.
WRED
Weighted Random Early Detection (WRED) is another implementation for QoS that will help the overall throughput for
your QoS queues. Based on the egress queue of the QoS function set on the Switch, this method will analyze these
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