LevelOne GEP-0950 - Manual (Page 65)

4-2-14. QoS(Quality of Service) Configuration
The switch offers powerful QoS function. This function supports VLAN-tagged
priority that can make precedence of 8 priorities, and DSCP(Differentiated Services
Code Point) on Layer 3 of network framework.
Function name:
QoS Configuration
Function description:
While setting QoS function, please select QoS Mode in drop-down menu at
first. Then you can use 802.1p Priority and DSCP Priority functions. In this
function, you can enable/disable QoS Mode and set Priority Control, such as:
802.1p and DSCP. The switch only supports Strict Priority. High priority queue
is always passed first.
Function name:
802.1p QoS Mode
Function description:
This function will affect the priority of VLAN tag. Based on priority of VLAN tag,
it can arrange 0~7 priorities, priorities can map to 4 queues of the switch (low,
normal, medium, high) and possess different bandwidth distribution according
to your weight setting.
Parameter description:
Prioritize Traffic
Five Prioritize Traffic values are provided: Custom, All Low Priority, All
Normal Priority, All Medium Priority, and All High Priority.
The QoS setting would apply to all ports on the switch if one of the
following values is selected: All Low Priority, All Normal Priority, All
Medium Priority, or All High Priority.
Port Number
When Custom is selected for Prioritize Traffic, you may assign specific
Port Number for 802.1p Configuration.
802.1p Configuration:
Each Priority can select any of Queue. In Default, Priority 0 is mapping to
Queue normal, Priority 1 is mapping to Queue low, Priority 2 is mapping
to Queue low, Priority 3 is mapping to Queue normal, Priority 4 is
mapping to Queue medium, Priority 5 is mapping to Queue medium,
Priority 6 is mapping to Queue high, and Priority 0 is mapping to Queue
high.