Operation Manual – QoS-QoS Profile
H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1
QoS Configuration
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System View: return to User View with Ctrl+Z.
[H3C] queue-scheduler wrr 2 2 3 3 4 4 5 5
[H3C]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
[H3C] undo queue-scheduler
[H3C] 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 drops 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
1.11.2 Configuration Procedure
Table 1-16 Configure WRED parameters
Operation Command Description
Enter system view
system-view
—
Enter Ethernet port
view
interface
interface-type
interface-number
—
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