Dscp Priority - TP-Link T2500-28TC User Manual

Configuration Procedure:
Step Operation
1 Select the port priority
2 Configure
relation between the CoS
priority and TC
3 Select a schedule mode

11.1.2 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 if 8021.1P Priority mode is enabled; 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

DSCP Priority:
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 CoS
and TC.
Required.
page, select a schedule mode.
Figure 11-7 DSCP Priority
Enable/Disable DSCP Priority.
On QoS→DiffServ→Schedule
175
Mode