SMC Networks TigerStack 100 1000BASE-X - Manual (Page 126)

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Port Traffic Class Information
This switch provides two priority levels with weighted fair queuing for port
egress. This means that any frames with a default or user priority from 0~3
are sent to the low priority queue “0” while those from 4~7 are sent to the
high priority queue “1” as shown in the following screen.
Parameter Description
Port Numeric identifier for switch port.
Default Ingress
User Priority
Default priority can be set to any value from 0~7, where
0~3 specifies the low priority queue and 4~7 specifies the
high priority queue.
Number of Egress
Traffic Classes
Indicates that this switch supports two priority output
queues.
Parameter Description
Port Numeric identifier for switch port.
User Priority Shows that user priorities 0~3 specify the low priority queue
and 4~7 specify the high priority queue.
Class Range The priority queue classes available on this switch.