Priority-Queue Out Num-Of-Queues - Cisco Small Business 300 1.1 Series Administration Manual

Quality of Service (QoS) Commands
78-20269-01 Command Line Interface Reference Guide

41.19 priority-queue out num-of-queues

An expedite queue is a strict priority queue, which is serviced until empty before
the other lower priority queues are serviced.
Use the priority-queue out num-of-queues Global Configuration mode command
to configure the number of expedite queues. Use the no form of this command to
restore the default configuration.
Syntax
priority-queue out num-of-queues
no priority-queue out num-of-queues
Parameters
number-of-queues—Specifies the number of expedite (strict priority) queues.
Expedite queues are assigned to the queues with the higher indexes. (Range: 0–4).
There must be either 0 wrr queues or more than one.
If number-of-queues = 0, all queues are assured forwarding (according to wrr
weights) If the number-of-queues = 4, all queues are expedited (strict priority
queues).
Default Configuration
All queues are expedite queues.
Command Mode
Global Configuration mode
User Guidelines
the weighted round robin (WRR) weight ratios are affected by the number of
expedited queues, because there are fewer queues participating in WRR. This
indicates that the corresponding weight in the wrr-queue bandwidth Interface
Configuration mode command is ignored (not used in the ratio calculation).
Example
The following example configures the number of expedite queues as 2.
Console(config)# priority-queue out num-of-queues
number-of-queues
2
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