14 wred, 4 wred – PLANET WGSW-48040HP User Manual

Page 200

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User’s Manual of WGSW-48040HP

4.9.14 WRED

This page allows you to configure the

Random Early Detection (RED) settings for queue 0 to 5. RED cannot be applied to

queue 6 and 7. Through different RED configuration for the queues (QoS classes) it is possible to obtain

Weighted Random

Early Detection (WRED) operation between queues. The settings are global for all ports in the switch. The WRED screen in

Figure 4-9-16

appears.

Figure 4-9-16 WRED page screenshot

The page includes the following fields:

Object

Description

The queue number (QoS class) for which the configuration below applies.

Queue

Controls whether RED is enabled for this queue.

Enable

Controls the lower RED threshold. If the average queue filling level is below this

threshold, the drop probability is zero.

This value is restricted to 0-100.

Min. Threshold

Controls the drop probability for frames marked with Drop Precedence Level 1

when the average queue filling level is 100%.

This value is restricted to 0-100.

Max. DP 1

Controls the drop probability for frames marked with Drop Precedence Level 2

when the average queue filling level is 100%.

This value is restricted to 0-100.

Max. DP2

Controls the drop probability for frames marked with Drop Precedence Level 3

when the average queue filling level is 100%.

This value is restricted to 0-100.

Max. DP3

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