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Priority Queue Service settings:
First Come First Service: The sequence of packets sent is dependent on the
order of arrival. The first packets in the queue are transmitted before any
other packets.
All High before Low: The high priority packets are sent before the low
priority packets.
Weighted Round Robin: This option enables the user to choose a ratio of
the number of high priority packets sent before one low priority packet is
sent. For example, 2:1 (2 High : 1 Low) will have the switch send 2 high
priority packets before sending 1 low priority packet.
Qos Policy: High Priority Levels: 0 to 7 priority level can map to a high or
low queue. When the VLAN Tag number of a frame is mapping as a high
priority level, this frame always has high priority. In this example, the QoS
policy applies to the switch, not for a single port.