TP-Link T2500-28TCTL-SL5428E T2500-28TCUN V1 User Guide - Page 185

DSCP Priority, Operation, Description, DiffServ, Port Priority, 1P/CoS mapping, Schedule

Page 185 highlights

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 Required. On QoS→DiffServ→802.1P/CoS mapping relation between the CoS page, configure the mapping relation between the CoS priority and TC and TC. 3 Select a schedule mode Required. On QoS→DiffServ→Schedule Mode page, 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. Figure 11-7 DSCP Priority The following entries are displayed on this screen:  DSCP Priority Config DSCP Priority: Enable/Disable DSCP Priority. 175

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175
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
CoS
priority and TC
Required. On
QoS
DiffServ
802.1P/CoS mapping
page, configure the mapping relation between the CoS
and TC.
3
Select a schedule mode
Required.
On
QoS
DiffServ
Schedule
Mode
page, 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.
Figure 11-7 DSCP Priority
The following entries are displayed on this screen:
DSCP Priority Config
DSCP Priority:
Enable/Disable DSCP Priority.