Huawei Quidway S6500 Series Command Manual

Command Manual - QoS/ACL
Quidway S6500 Series Ethernet Switches Chapter 2 Qos Command
Huawei Technologies Proprietary
2-34
character string, which must be started with an English letter (i.e., a-z or A-Z), and there
should not be a space or quotation mark in it; rule rule: (Optional) specifies the subitem
of an ACL, ranging from 0 to 127, it represents all the subitems of the ACL if not
specified.
qstart: The queue length where the system starts to drop packets randomly. The queue
whose length is less than qstart will not be dropped. The value ranges from 0 to 262128,
in KB; it must be the multiple of 16KB.
qstop: The queue length where the system stops random dropping of packets. The
queue whose length is greater than qstop will be dropped totally. The value ranges from
0 to 262128, in KB; it must be the multiple of 16 KB.
probability: The drop probability when red-qstop is reached, ranging from 0% to 100%.
Description
Using the traffic-red command, you can enable RED operation and set RED
parameters. Using the undo traffic-red command, you can remove the RED
configuration.
For the related configuration, see display qos-interface traffic-red.
 Note:
The cards except A type ones do not support this command.
Only the rule with the action of permit can be activated by this command successfully.
Example
# Perform RED operation to the packets that match with the permit rule of ACL 2000.
RED parameters can be set as follows: the queue length where the system starts
random dropping of packets is 64 KB, the queue length where the system stops
random dropping of packets is 128 KB, and the probability of random drop is 20%.
[Quidway-qoss-Ethernet3/0/1] traffic-red outbound ip-group 2000 64 128 20

Huawei Quidway S6500 Series Specifications

General

Brand	Huawei
Model	Quidway S6500 Series
Category	Network Router
Language	English