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24 Port Gigabit Ethernet PoE Switch – User Manual Page 41 of 72

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Fig. 3-17 802.1p Setting

Function name

DSCP QoS mode

Function description

In the late 1990s, the IETF redefined the meaning of the 8-bit SERVICE TYPE field

to accommodate a set of differentiated services (DS). Under the differentiated ser-

vices interpretation, the first six bits comprise a codepoint, which is sometimes ab-

breviated DSCP, and the last two bits are left unused.

DSCP can form total 64 (0~63) kinds of traffic class based on the arrangement of

6-bit field in DSCP of the IP packet. In the switch, user is allowed to set up these

64 kinds of class that belong to any of queue (low, normal, medium, high).

Parameter description

Prioritize Traffic:

Five Prioritize Traffic values are provided: Custom, All Low Priority, All Normal Pri-

ority, All Medium Priority, and All High Priority.

The QoS setting would apply to all ports on the switch if one of the following val-

ues is selected: All Low Priority, All Normal Priority, All Medium Priority, or All High

Priority.

Port Number:

When Custom is selected for Prioritize Traffic, you may assign specific port num-

ber for DSCP configuration.

DSCP Configuration:

64 kinds of priority traffic as mentioned above, user can set up any of queue (low,

normal, medium, high). In default, priority 0~63 are mapping to queue high.

Microsens MS400863M User Manual

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