Rockwell Automation Publication 1783-UM001B-EN-P - May 2010 47
Switch Management Chapter 4
Note these options:
• Port-based Priority - When changed to High, the incoming traffic for that
port is considered high priority.
• High/Low Quality Weight - Establishes algorithm for switching between
high and low priority queues. The default value of 15/1 sends 15 packets
of high priority traffic, then sends 1 packet of low priority traffic.
• MAC-based Priority - Incoming packets are cross referenced with the
MAC based QoS list and put into the high priority queue if the
destination address is on the list.
• 802.1p Priority - Each incoming packet is examined for a valid 802.1p
priority tag. If present, the packet is put in the high priority queue if the
priority tag exceeds the QoS Priority Threshold.
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