72
Fig. 4-22 802.1p Setting
Function name:
DSCP Setting
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 services interpretation, the first six bits
comprise a codepoint, which is sometimes abbreviated DSCP, and the last two bits are left unused.
DSCP can form a total of 64 (0~63) kinds of Traffic Class based on the arrangement of 6-bit field in
the 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:
DSCP Priority Mapping:
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.
Fig. 4-23 DSCP Setting
