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TOS Monetary Cost Priority Mapping works while M-TYPE in TOS field of IP header of the packets received by
the switch is configured.
3.19.5 DSCP
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 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 0~3.
64 kinds of priority traffic as mentioned above, user can set up any of Queue 0~3. In default, Priority 0~15 are
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