H3C Technologies H3C S12500 Series Switches - Manual (Page 56)

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WFQ queuing
Figure 13 WFQ queuing
WFQ is similar to WRR. They both support scheduling weights in queue length. The difference is that
WFQ enables you to set guaranteed bandwidth that a WFQ queue can get during congestion.
Hardware congestion management configuration
approaches
To configure hardware congestion management, you can use one of the following methods:
• Configure queue scheduling for each queue in interface view or port group view.
• Configure a queue scheduling profile, as described in hardware congestion management with
queue scheduling profiles .
Complete the following tasks to achieve hardware congestion management:
Task Remarks
Configuring per-queue hardware congestion management:
• Configuring SP queuing
• Configuring WFQ queuing
Optional.
Configuring a queue scheduling profile Optional.