DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet User Manual
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parameters configured here for all CoS queues.
Drop Green
Enabled:
Probabilistic drop yellow and red colored packets if the queue depth is above the
lower threshold, and probabilistic drop green colored packets if the queue depth is above the
upper threshold.
Disabled
: Probabilistic 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
threshold. 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.
SRED Drop Counter
This window is used to view the SRED Drop Counter settings on the Switch.
To view this window, click
QoS > SRED > SRED Drop Counter
,
as shown below:
Figure 6- 15 SRED Drop Counter window
