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NETGEAR M4500 Series Switches CLI Command Reference Manual 574
Mode Global Config
Interface Config
5.23.2.8. random-detect queue-parms
This command is used to configure WRED parameters for each drop precedence level supported by a queue. It is
used only when per-COS queue configuration is enabled (using the cos-queue random-detect command).
Format random-detect queue-parms <queue-id> [<queue-id>…] ... [units {KB|percentage}] min-
thresh <minthresh-green> <minthresh-yellow> <minthresh-red> <minthresh-nontcp>max-
thresh <maxthresh-green> <maxthresh-yellow> <maxthresh-red> <maxthresh-nontcp> drop-
prob <drop-prob-green> <drop-prob-yellow> <drop-prob-red> <drop-prob-nontcp> [ecn]
no random-detect queue-parms <queue-id> [<queue-id> …]
Mode Global Config
Interface Config
Parameter
Description
queue-id
The internal class of service queue. Range 0 to 6.
This is the internal CoS queue number, which is not the same as the CoS or DSCP
value received in the packet. Use the show class of service dot1p-mapping
command to display the Cos value to CoS queue mapping.
units
Minimum and maximum threshold values can be configured in KB or
percentage.
min-thresh
The minimum congestion threshold (in terms of percentage of queue depth) at
which to begin dropping or ECN marking packets at 1/8th of the configured
drop probability.
At or below the minimum threshold, no packets are dropped. The range
between the minimum and maximum thresholds is divided equally into 8
increasing levels of drop probability.
max-thresh
The maximum congestion threshold to end dropping at the configured
maximum drop probability and to begin dropping at 100%.
drop-probability
The maximum drop probability. Range 0-100.
This is the drop probability for a packet when the maximum threshold is
reached. Above the maximum threshold, 100% of matching packets are
dropped.
ecn
Enable ECN marking on the selected S queues. When ECN is enabled, packets not
marked as ECN capable are dropped when selected for discard by WRED.