• Weight Fair: This method services all the traffic queues, giving priority to the higher priority queues.
Under most circumstances, the Weight Fair method gives high priority precedence over low priority, but in
the event that high priority traffic does not reach 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. The Strict 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. The Moxa switch 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. The Moxa switch’s QoS capability
improves your industrial network’s performance and determinism for mission critical applications.
QoS Classification
There are two QoS classification settings depending on the specific model of the switch.
Type 1 EDS-400A series, EDS-505A/508A/510A/G509, EDS-P506A-4PoE/P510/P510A-8PoE,
EDS-600 series, IKS-G6524/G6824, ICS-G7000 series
Type 2 EDS-516A/518A, EDS-728/828, IKS-6726/6726-8PoE/6728
Type1
The Moxa switch supports inspection of layer 3 TOS and/or layer 2 CoS tag information to determine how to
classify traffic packets.
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