Planet FGSW-2620VM User Manual page 109

The table includes the following fields:
Object
First Come First Service
All High before Low
Weighted Round Robin
802.1p priority [0-7]
802.1p Priority: Priority classifiers of the Switch forward packet. COS range is from 0 to 7.
Seven is the high class. Zero is the less class. The user may configure the mapping
between COS and Traffic classifiers.
Description
The sequence of packets sent is depending on arrival order.
The high priority packets sent before low priority packets.
Select the preference given to packets in the switch's higher-priority queue.
These options represent the number of higher priority packets sent before one
lower priority packet is sent.
For example, 8 Highest : 4 SecHigh : 2 SecLow : 1 Lowest means that the switch
sends 8 highest priority packets before sending 4 second high priority packet,
before sending 2 second low priority packet, before sending 1 lowest priority
packet.
Set up the COS priority level 0~7—High, Middle, Low, Lowest.
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User's Manual of FGSW-Series