LevelOne GSW-0891, Руководство пользователя

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QoS Configuration
You can configure QoS policy and priority setting, per port priority setting, COS and TOS
setting.
QoS Policy and Priority Type
Qos Policy: select the QoS policy rule.
Using the 8,4,2,1 weight fair queue scheme: The switch will follow 8:4:2:1
rate to process priority queue from High to lowest queue. For example, when
the system processes, 1 frame of the lowest queue, 2 frames of the low queue,
4 frames of the middle queue, and 8 frames of the high queue will be processed
at the same time in accordance with the 8,4,2,1 policy rule.
Use the strict priority scheme: Always higher queue will be process first,
except higher queue is empty.
Priority Type: There are 5 priority type selections available. Disable means no
priority type is selected.
Port-base: The port priority will follow the Port-base that you have assigned – High,
middle, low, or lowest.
COS only: The port priority will only follow the COS priority that you have
assigned.
TOS only: The port priority will only follow the TOS priority that you have
assigned.
COS first: The port priority will follow the COS priority first, and then other
priority rule.
TOS first: the port priority will follow the TOS priority first, and the other priority