ZyXEL Communications IES-708-22A - Manual (Page 203)

IES-708-22A User’s Guide
203
C
H A P T E R
30
DSCP
This feature is available in STU-C mode only.
This chapter shows you how to set up DSCP on each port and how to convert DSCP values to
IEEE 802.1p values.
30.1 DSCP Overview
DiffServ Code Point (DSCP) is a field used for packet classification on DiffServ networks.
The higher the value, the higher the priority. Lower-priority packets may be dropped if the
total traffic exceeds the capacity of the network.
30.2 DSCP Setup Screen
Use this screen to activate or deactivate DSCP on each port. To open this screen, click
Advanced Application > DSCP.
Figure 102 Advanced Application > DSCP
The following table describes the labels in this screen.
Table 66 Advanced Application > DSCP
LABEL DESCRIPTION
DSCP Map Click DSCP Map to open the screen where you can set up the mapping
between source DSCP priority and IEEE 802.1p priority (see Section 30.3 on
page 204 ).
Port This field displays each port number.
Active This field displays whether DSCP is active (“V”) or inactive (“-”) on this port.