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Systems support PQ, WRR, WRR + PQ scheduling model. When a queue is empty,system can
switch immediately to the next queue scheduling,it make full use of bandwidth resource.
o
When existing WRR queue scheduling, the sum of weights must be 100
o
The
WRR + PQ scheduling mode is a mixture of WRR and PQ two scheduling model.
When there is a zero value in the weight of the queue, queue scheduling model is the
PQ + WRR scheduling model. In this mode, the system schedule queue that weight is
0in PQ model, then scheduling queue that weights isn’t 0 in the WRR mode, and the
priority of PQ queue is higher than the WRR queue.
o
When Configure WRR + PQ way queue scheduling, the queue of PQ mode
scheduling must be configured in the priority queue, do not allow the PQ queue
alternating configure.with WRR queue
o
The default scheduling of system is PQ scheduling
【
Example
】
Example: configure the queue scheduling model is WRR, making all kinds of priority message
can be scheduled. The weight of the queue 0-3 is 10,30,30,30 respectively
OLT(config)# qos queue-scheduler wrr 10 30 30 30
12.12
show
queue
‐
scheduler
【
Command
】
show
queue
‐
scheduler
【
View
】
Config
view
【
Parameter
】
nothing
【
Description
】
This command is used to query system currently used queue scheduling mode.
【
Example
】
In the worktime period, viewing all the QOS strategy about port 1.
OLT(config)#
show
queue
‐
scheduler
Queue
scheduler
mode
:
WRR
Queue
Scheduler
Mode
WRR
Weight
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
0
WRR
10
1
WRR
30
2
WRR
30
3
WRR
30
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
Queue
map:
