Configuration Procedure:
Step Operation
Description
1
Select the port priority
Required. On
QoS
→
DiffServ
→
Port Priority
page,
configure the port priority.
2 Configure the mapping
relation between the 802.1P
priority and TC
Required. On
QoS
→
DiffServ
→
802.1P/CoS mapping
page, configure the mapping relation between the
802.1P priority and TC.
3
Select a schedule mode
Required. On
QoS
→
DiffServ
→
Schedule Mode
page, select a schedule mode.
9.1.2 DSCP Priority
On this page you can configure DSCP priority. DSCP (DiffServ Code Point) is a new definition to IP
ToS field given by IEEE. This field is used to divide IP datagram into 64 priorities. When DSCP
Priority is enabled, IP datagram are mapped to different priority levels based on DSCP priority
mode; non-IP datagram with 802.1Q tag are mapped to different priority levels based on 802.1P
priority mode which is enabled by default; the untagged non-IP datagram are mapped based on port
priority mode.
Choose the menu
QoS
→
DiffServ
→
DSCP Priority
to load the following page.
Figure 9-7 DSCP Priority
The following entries are displayed on this screen:
¾
DSCP Priority Config
119
