Qos Supported By S - Huawei Quidway S5600 Series Operation Manual

Operation Manual - QoS&QoS Profile
Quidway S5600 Series Ethernet Switches
Packets sent via this interface Packets sent via this interface Packets sent via this interface Packets sent via this interface
Figure 1-6 Diagram for WRR
WRR queue-scheduling algorithm schedules all the queues in turn and every queue
can be assured of a certain service time. Assume there are 8 priority queues on the port.
WRR configures a weight value for each queue, which are w7, w6, w5, w4, w3, w2, w1,
and w0. The weight value indicates the proportion of obtaining resources. On a 100M
port, configure the weight value of WRR queue-scheduling algorithm to 50, 50, 30, 30,
10, 10, 10 and 10 (corresponding to w7, w6, w5, w4, w3, w2, w1, and w0 in order). In
this way, the queue with the lowest priority can get 5Mbps bandwidth at least, and the
disadvantage of SP queue-scheduling that the packets in queues with lower priority
may not get service for a long time is avoided. Another advantage of WRR queue is that:
though the queues are scheduled in order, the service time for each queue is not fixed,
that is to say, if a queue is empty, the next queue will be scheduled. In this way, the
bandwidth resources are made full use of.
1.1.12 Traffic-based Traffic Statistics
The function of traffic-based traffic statistics is to use ACL rules in traffic identifying and
perform traffic statistics on the packets matching with the ACL rules. You can get the
statistics of the packets you are interested in through this function.

1.2 QoS Supported by S5600

Table 1-4 QoS functions supported by S5600 and related commands
QoS
Priority
mapping
Port priority
queue1 weight1 queue1 weight1 queue1 weight1 queue1 weight1
queue2 weight2 queue2 weight2 queue2 weight2 queue2 weight2
...... ...... ...... ......
queueN- 1 weightN - 1 queueN- 1 weightN - 1 queueN -1 weightN - 1 queueN -1 weightN - 1
Classify Classify Classify Classify
queueN weightN queueN weightN queueN weightN queueN weightN
Specification
Support only the
between 802.1p priority and
local queues
Supported
Huawei Technologies Proprietary
1-10
Chapter 1 QoS Configuration
Packets sent Packets sent Packets sent Packets sent
Sending queue Sending queue Sending queue Sending queue
Dequeue Dequeue Dequeue Dequeue
Related command
mapping
qos
cos-local-precedence-map
priority priority-level
priority trust