User’s Manual of FSD-804PS
The page includes the following fields:
•
Object
•
Description
•
QoS Mode
The draw menu allows customization of QoS mode for Traffic classifiers.
•
802.1p Tag Priority
•
IP DSCP
•
Port-Base
Priority
Weighted Round
Robin Ratio
Weighted Round Robin ratio setting of priority queue.
The frame service rate of High-Priority queue to Low-Priority queue options are
shown as below:
•
Highest:Lowest=4:1
•
Highest:Lowest=8:1
DSCP are defined in RFC2597 for classifying traffic into different service classes. The PoE Switch extracts the code point
value of the DS field from IPv4 packets and identifies the priority of the incoming IP packets following the definitions listed
below:
Suggest High Priority IP DSCP Value
High Priority
EF
DSCP 46
(101110)
AF11
DSCP 10
(001010)
AF21
DSCP 18
(010010)
AF31
DSCP 26
(011010)
AF41
DSCP 34
(100010)
Low Priority
Other DSCP values
DSCP
: Differentiated Services Code Point
EF
: Expected Forwarding
AF
: Assured Forwarding
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