Specifications

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Catalyst 2950 and Catalyst 2955 Switch Command Reference

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Chapter 2 Cisco IOS Commands

mls qos map

Use the mls qos map global configuration command to define the class of service

(CoS)-to-Differentiated Services Code Point (DSCP) map or DSCP-to-CoS map. Use the no form of this

command to return to the default map.

mls qos map {cos-dscp dscp1...dscp8 | dscp-cos dscp-list to cos}

no mls qos map {cos-dscp | dscp-cos}

This command is available only if your switch is running the enhanced software image (EI).

Syntax Description

Defaults Table 2-4 shows the default CoS-to-DSCP map:

Table 2-5 shows the default DSCP-to-CoS map:

Command Modes Global configuration

Command History

cos-dscp dscp1...dscp8 Define the CoS-to-DSCP map.

For dscp1...dscp8, enter eight DSCP values that correspond to CoS values

0 to 7. Separate each DSCP value with a space.

The supported DSCP values are 0, 8, 10, 16, 18, 24, 26, 32, 34, 40, 46, 48,

and 56.

dscp-cos dscp-list to

cos

Define the DSCP-to-CoS map.

For dscp-list, enter up to 13 DSCP values separated by spaces. Then enter the

to keyword. The supported DSCP values are 0, 8, 10, 16, 18, 24, 26, 32, 34,

40, 46, 48, and 56.

For cos, enter the CoS value to which the DSCP values correspond. The CoS

range is 0 to 7.

Table 2-4 Default CoS-to-DSCP Map

CoS Value 01 2 345 6 7

DSCP Value 0 8 16 24 32 40 48 56

Table 2-5 Default DSCP-to-CoS Map

DSCP Values 0 8, 10 16, 18 24, 26 32, 34 40, 46 48 56

CoS Value 01234567

Release Modification

12.1(6)EA2 This command was first introduced.