Ruby Tech GS-1224L manual Dscp Setting

User Manual

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 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:

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

Publication date: March, 2007

Revision A1

75