Configuration Procedure:
Step Operation
1
Select the port priority
2
Configure
relation between the 802.1P
priority and TC
3
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.
The following entries are displayed on this screen:
DSCP Priority Config
Description
Required. On QoS→DiffServ→Port Priority page,
configure the port priority.
the
mapping
Required. On QoS→DiffServ→802.1P/CoS mapping
page, configure the mapping relation between the
802.1P priority and TC.
Required.
page, select a schedule mode.
Figure 9-7 DSCP Priority
On
QoS→DiffServ→Schedule
119
Mode