User`s manual

EDS-P510 Series Featured Functions
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• Weight Fair: This method services all the traffic queues, giving priority to the higher priority queues. Under
most circumstances, this method gives high priority precedence over low-priority, but in the event that
high-priority traffic exceeds the link capacity, lower priority traffic is not blocked.
• Strict: This method services high traffic queues first; low priority queues are delayed until no more high
priority data needs to be sent. This method always gives precedence to high priority over low-priority.
Configuring Traffic Prioritization
Quality of Service (QoS) provides a traffic prioritization capability to ensure that important data is delivered
consistently and predictably. EDS-P510 Series can inspect IEEE 802.1p/1Q layer 2 CoS tags, and even layer 3
TOS information, to provide a consistent classification of the entire network. EDS-P510 Series’ QoS capability
improves your industrial network’s performance and determinism for mission critical applications.
QoS Classification
Moxa EDS-P510 supports inspection of layer 3 TOS and/or layer 2 CoS tag information to determine how to
classify traffic packets.
Queuing Mechanism
Setting Description Factory Default
Weighted Fair EDS-P510 has 4 priority queues. In the weighted fair scheme,
an 8, 4, 2, 1 weighting is applied to the four priorities. This
approach prevents the lower priority frames from being starved
of opportunity for transmission with only a slight delay to the
higher priority frames.
Strict In the Strict-priority scheme, all top-priority frames egress a
port until that priority’s queue is empty, and then the next
lower priority queue’s frames egress. This approach can cause
the lower priorities to be starved of opportunity for transmitting
any frames but ensures all high priority frames to egress the
switch as soon as possible.
Weight Fair
Port Highest Priority
Setting Description Factory Default
Enable/Disable Set the Port Priority of the ingress frames to “High” queues. Disable