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SWP1(config)#class-map class1

SWP1(config-cmap)#match access-group 1

SWP1(config-cmap)#exit

[Policy settings]

SWP1(config)#policy-map policy1

SWP1(config-pmap)#class class1

SWP1(config-pmap-c)#set ip-precedence 5

SWP1(config-pmap-c)#exit

SWP1(config-pmap)#exit

SWP1(config)#interface ge1

SWP1(config-if)#service-policy input policy1

13.2.32 Set pre-marking (DSCP)

[Syntax]

set ip-dscp value

no set dscp

[Parameter]

value : <0 - 63>

DSCP value specified by pre-marking

[Input mode]

policy map class mode

[Description]

Changes the DSCP value of the classified traffic class to the specified DSCP value. In addition, reassign the egress queue

according to the egress queue ID table that corresponds to the trust mode.

If this is executed with the "no" syntax, pre-marking processing of the DSCP value corresponding to the traffic class is

removed.

[Note]

In order to execute this command, QoS must be enabled.

Pre-marking cannot be used in conjunction with the set egress queue function.

Up to four values may be used for pre-marking/remarking to a DSCP value not recommended in the RFC. The following table

shows the DSCP values that are recommended in the RFC.

PHB DSCP value RFC

default 0 2474

Class Selector 0, 8, 16, 24, 32, 40, 48, 56 2474

Assured Forwarding 12, 14, 18, 20, 22, 26, 36, 38 2597

Expedited Forwarding (EF) 46 2598

[Example]

Make the following settings for received frames of LAN port #1

• Permit traffic from the 10.1.0.0 network

•

Change the classified traffic class to the DSCP value "10."

[Traffic class definition]

SWP1(config)#ip-access-list 1 permit 10.1.0.0 0.0.255.255