Westermo MDI-112-F4G - Manual (Page 100)

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Queue Scheduling
You can select the Queue Scheduling rule as follows:
Use a strict priority scheme. Packets with higher priority in the queue will always
be processed first, except that there is no packet with higher priority.
Use Weighted Round Robin scheme. This scheme allows users to assign new
weight ratio for each class. The 10 is the highest ratio. The ratio of each class is as
below:
Wx / W0 + W1 + W2 + W3 + W4 + W5 + W6 + W7 (Total volume of Queue 0-7)
4.7.2 Port-based Queue Mapping
Choose the Queue value of each port, the port then has its default priority. The
Queue 3 is the highest port-based queue, 0 is the lowest queue. The traffic
injected to the port follows the queue level to be forwarded, but the outgoing
traffic doesn’t bring the queue level to next switch.
After configuration, press Apply to enable the settings.