H3C Technologies H3C S5120 Series Switches - Manual (Page 366)

5-4
SP+WRR queuing
SP+WRR queuing uses one SP queuing group and two WRR queuing groups. The switch uses WRR to
schedule queues in each WRR queuing group according to their weights, and then uses SP queuing to
schedule the dequeued packets together with the packets in the SP queuing group.
For example, assign queues 0 and 1 to WRR queuing group 1, with the weights 1 and 2 respectively,
assign queue 3 to WRR queuing group 2, with the weight 1, and assign queue 2 to the SP queuing
group.
Figure 5-5
shows the scheduling process.
Figure 5-5 Scheduling process of SP+WRR queuing
Congestion Management Configuration Methods
Complete the following tasks to achieve congestion management:
Task Remarks
Configuring SP Queuing Optional
Configure WRR Queuing Optional
Configuring SP+WRR Queuing Optional
Configuring SP Queuing
Configuration procedure
Follow these steps to configure SP queuing:
To do… Use the command… Remarks
Enter system view system-view —
Enter
interface
view
interface interface-type
interface-number
Enter
interface
view or port
group view
Enter port
group view port-group manual
port-group-name
Use either command
Settings in interface view take effect
on the current interface; settings in
port group view take effect on all
ports in the port group.