SMC Networks TigerSwitch Manuel d'utilisateur télécharger pdf (Page 222)

100

101

ONFIGURING

THE

WITCH

3-172

Selecting the Queue Mode

You can set the switch to service the queues based on a strict rule that

requires all traffic in a higher priority queue to be processed before lower

priority queues are serviced, or use Weighted Round-Robin (WRR)

queuing that specifies a relative weight of each queue. WRR uses a

predefined relative weight for each queue that determines the percentage

of service time the switch services each queue before moving on to the

next queue. This prevents the head-of-line blocking that can occur with

strict priority queuing.

Command Attributes

• WRR - Weighted Round-Robin shares bandwidth at the egress ports

by using scheduling weights 1, 2, 4, 6 for queues 0 through 3

respectively. (This is the default selection.)

• Strict - Services the egress queues in sequential order, transmitting all

traffic in the higher priority queues before servicing lower priority

queues.

Web – Click Priority, Queue Mode. Select Strict or WRR, then click Apply.

Figure 3-74 Queue Mode

CLI – The following sets the queue mode to strict priority service mode.

Console(config)#queue mode wrr 4-223

Console(config)#exit

Console#show queue mode 4-227

Queue mode: wrr

Console#

1 2 ... 217 218 219 220 221 222 223 224 225 226 227 ... 517 518

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SMC Networks TigerSwitch Manuel d'utilisateur Page 222

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