Smc-networks SMC TigerStack IV SMC6224M Manual de usuario Pagina 472

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C
OMMAND
L
INE
I
NTERFACE
4-224
Command Usage
WRR controls bandwidth sharing at the egress port by defining
scheduling weights.
Example
This example shows how to assign WRR weights to priority queues 1 - 3:
Related Commands
show queue bandwidth (4-226)
queue cos-map
This command assigns class of service (CoS) values to the priority queues
(i.e., hardware output queues 0 - 3). Use the no form set the CoS map to
the default values.
Syntax
queue cos-map queue_id [cos1 ... cosn]
no queue cos-map
queue_id - The ID of the priority queue.
Ranges are 0 to 3, where 3 is the highest priority queue.
cos1 .. cosn - The CoS values that are mapped to the queue ID. It is
a space-separated list of numbers. The CoS value is a number from
0 to 7, where 7 is the highest priority.
Default Setting
This switch supports Class of Service by using four priority queues,
with Weighted Round Robin queuing for each port. Eight separate
traffic classes are defined in IEEE 802.1p. The default priority levels
are assigned according to recommendations in the IEEE 802.1p
standard as shown below.
Console(config)#queue bandwidth 6 9 12
Console(config)#
Table 4-59 Default CoS Priority Levels
Queue
0123
Priority
1, 2 0, 3 4, 5 6, 7
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