Repotec 16-P SFP, User Manual

Page: 78 / 255

User Manual
Publication date: January, 2006
Revision A2
70
Function name:
IP Diffserv Classification
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.
IP Diffserve Classification function, it 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 High or
Low Priority.
Parameter description:
IP Differentiated Services (DiffServ) Configuration:
Used for setting up the IP Differentiated Services Configuration QoS.
Diffserv:
Display 64 (0~63) DiffServ Priority items.
Class:
64 kinds of traffic as we mentioned above, user can set up High Priority
or Low Priority for each port respectively.
Fig. 3-23