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Chapter 2
Catalyst 2350 Switch Cisco IOS Commands
The default DSCP-to-DSCP-mutation map is a null map, which maps an incoming DSCP value to the
same DSCP value.
The default policed-DSCP map is a null map, which maps an incoming DSCP value to the same DSCP
value.
Command Modes
Global configuration
Command History
Release
12.2(46)EY
Usage Guidelines
All the maps are globally defined. All the maps, except the DSCP-to-DSCP-mutation map, are applied
to all ports. The DSCP-to-DSCP-mutation map is applied to a specific port.
Examples
This example shows how to define the IP-precedence-to-DSCP map and to map IP-precedence values 0
to 7 to DSCP values of 0, 10, 20, 30, 40, 50, 55, and 60:
Switch# configure terminal
Switch(config)# mls qos map ip-prec-dscp 0 10 20 30 40 50 55 60
This example shows how to define the policed-DSCP map. DSCP values 1, 2, 3, 4, 5, and 6 are marked
down to DSCP value 0. Marked DSCP values that not explicitly configured are not modified:
Switch# configure terminal
Switch(config)# mls qos map policed-dscp 1 2 3 4 5 6 to 0
This example shows how to define the DSCP-to-CoS map. DSCP values 20, 21, 22, 23, and 24 are
mapped to CoS 1. DSCP values 10, 11, 12, 13, 14, 15, 16, and 17 are mapped to CoS 0:
Switch# configure terminal
Switch(config)# mls qos map dscp-cos 20 21 22 23 24 to 1
Switch(config)# mls qos map dscp-cos 10 11 12 13 14 15 16 17 to 0
This example shows how to define the CoS-to-DSCP map. CoS values 0 to 7 are mapped to DSCP values
0, 5, 10, 15, 20, 25, 30, and 35:
Switch# configure terminal
Switch(config)# mls qos map cos-dscp 0 5 10 15 20 25 30 35
This example shows how to define the DSCP-to-DSCP-mutation map. All the entries that are not
explicitly configured are not modified (remain as specified in the null map):
Switch# configure terminal
Switch(config)# mls qos map dscp-mutation mutation1 1 2 3 4 5 6 7 to 10
Switch(config)# mls qos map dscp-mutation mutation1 8 9 10 11 12 13 to 10
Switch(config)# mls qos map dscp-mutation mutation1 20 21 22 to 20
Switch(config)# mls qos map dscp-mutation mutation1 0 31 32 33 34 to 30
You can verify your settings by entering the show mls qos maps privileged EXEC command.
OL-19055-01
Modification
This command was introduced.
Catalyst 2350 Switch Command Reference
mls qos map
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