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212 QoS Commands
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Example
The following example assigns WRR weights to egress queues.
priority-queue out num-of-queues
The
priority-queue out num-of-queues
Global Configuration mode command enables the egress
queues to be expedite queues. Use the
no
form of this command to return to the default values.
Syntax
priority-queue out num-of-queues
number-of-queues
no priority-queue out
num-of-queues
•
number-of-queues
—Assign the number of queues to be expedite queues. The expedite
queues would be the queues with higher indexes. (Range: 1 - 4)
Default Configuration
All queues are expedite queues.
Command Mode
Global Configuration mode
User Guidelines
• When configuring the
priority-queue out num-of-queues
command, the weighted round
robin (WRR) weight ratios are affected because there are fewer queues participating in WRR.
• Queue 4 is taken as the highest index queue. Queue 3 is taken as the next highest queue. If
two priority queues are selected then queue 4 and 3 will be used. Leaving queue 2 and 1 for
WRR.
Console(config)# priority-queue num-of-queues 1
Console(config)# interface ethernet g1
Console(config-if)# wrr-queue bandwidth 20 30 50
Console(config)# priority-queue num-of-queues 0
Console(config)# interface ethernet g3
Console(config-if)# wrr-queue bandwidth 20 30 50 10