Cisco Catalyst 3550

2-254
Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
mls qos map
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.
Related Commands Command Description
mls qos dscp-mutation Applies a DSCP-to-DSCP-mutation map to a DSCP-trusted port.
show mls qos maps Displays quality of service (QoS) mapping information.