Operation Manual - QoS&QoS Profile
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 QoS Configuration
Huawei Technologies Proprietary
1-24
z Disable the applied queue scheduling mode. By default, all outbound queues on
the port adopts the WRR queue scheduling algorithm and their default weight
values are 1:2:3:4:5:9:13:15;
z Query the configuration information.
Configuration procedure:
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] queue-scheduler wrr 2 2 3 3 4 4 5 5
[Quidway]display queue-scheduler
Queue scheduling mode: weighted round robin
weight of queue 0: 2
weight of queue 1: 2
weight of queue 2: 3
weight of queue 3: 3
weight of queue 4: 4
weight of queue 5: 4
weight of queue 6: 5
weight of queue 7: 5
[Quidway] undo queue-scheduler
[Quidway] display queue-scheduler
weight of queue 0: 1
weight of queue 1: 2
weight of queue 2: 3
weight of queue 3: 4
weight of queue 4: 5
weight of queue 5: 9
weight of queue 6: 13
weight of queue 7: 15
1.11 Configuring Congestion Avoidance
When congestion happens, the switch will drop packets as soon as possible to release
queue resources and try not to put packets into high-delay queues in order to eliminate
congestion. The switch adopts the WRED algorithm for congestion avoidance.
1.11.1 Configuration Prerequisites
z The indexes of queues to be dropped at random, the queue length that starts the
drop action and the drop probability are specified
z The ports that need this configuration are specified
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