D-Link DGS-3700 - page 152

DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet Switch User Manual
141
From port / To port A consecutive group of ports may be configured starting with the selected por t.
Class ID Select the Class ID, from 0-7, to configure for the SRED parameter s. Selecting all will set the
parameters configured here for all CoS queues.
Drop Green Enabled: Pobabilistic drop yellow and red colore d packets if the queue depth is above the
lower threshold, and pobabilistic drop green colored packets if the qu eue depth is above the
upper threshold.
Disabled: Pobabilistic drop red colored packets if the queue depth is above the lower threshold,
and probabilistic drop yellow colored packets if the queue depth is above the upper thr eshold.
Green packets will not be dropped even it reach the threshold.
Threshold Low
(0-100) Threshold Low refers to the drop red packets it might also include yellow packets.
Threshold High
(0-100) Threshold High refers to the drop yellow or green packets depending on the drop mode.
Drop Rate Low There are eight drop rates as shown below, the user may determine the drop rate for the
expected packet.
Configure Value Drop rate for expected packet
1 100%
2 6.25%
3 3.125%
4 1.5625%
5 0.78125%
6 0.390625%
7 0.1953125%
8 0.09765625%
Drop Rate High
Click Apply to implement changes.