Configure an MPLS QoS Traffic Class-to-EXP Mutation Map

You can configure an MPLS QoS traffic class-to-EXP mutation map.

About this task

This configuration is not supported on SLX 9150 devices.

1. Enter global configuration mode.
   

   device# configure terminal
   

2. Create and name an MPLS QoS traffic class-to-EXP mutation map.
   

   device(config)# qos-mpls map traffic-class-exp tcExpMap
   

3. Define the traffic class-to-EXP values.
   

   device(traffic-class-exp-tcExpMap)# traffic-class 0 drop-precedence 0 to exp 7 
   device(traffic-class-exp-tcExpMap)# traffic-class 1 drop-precedence 0 to exp 6
   device(traffic-class-exp-tcExpMap)# traffic-class 4 drop-precedence 0 to exp 3
   device(traffic-class-exp-tcExpMap)# traffic-class 5 drop-precedence 0 to exp 2
   device(traffic-class-exp-tcExpMap)# traffic-class 6 drop-precedence 0 to exp 2
   device(traffic-class-exp-tcExpMap)# traffic-class 7 drop-precedence 0 to exp 1
   device(traffic-class-exp-tcExpMap)# end
   

4. Return to privileged exec mode.
   

   device(traffic-class-exp-tcExpMap)# end
   

5. Verify the configuration.
   

   device#  show qos-mpls maps traffic-class-exp
   
   traffic-class-cos map    'TcExpMap' (Drop-Precedence = dp)
    dp: traffic-class  :  0  1  2  3  4  5  6  7
    ------------------- ------------------------
    0: exp             :  7  6  2  3  3  2  2  1
    1:                 :  0  1  2  3  4  5  6  7
    2:                 :  0  1  2  3  4  5  6  7
    3:                 :  0  1  2  3  4  5  6  7
   
   Enabled on the following slots :
   

6. Save the running-config file to the startup-config file.
   

   device# copy running-config startup-config
   

Example

This example summarizes the commands in this procedure.

device# configure terminal
device(config)# qos-mpls map traffic-class-exp tcExpMap
device(traffic-class-exp-tcExpMap)# traffic-class 0 drop-precedence 0 to exp 7 
device(traffic-class-exp-tcExpMap)# traffic-class 1 drop-precedence 0 to exp 6
device(traffic-class-exp-tcExpMap)# traffic-class 4 drop-precedence 0 to exp 3
device(traffic-class-exp-tcExpMap)# traffic-class 5 drop-precedence 0 to exp 2
device(traffic-class-exp-tcExpMap)# traffic-class 6 drop-precedence 0 to exp 2
device(traffic-class-exp-tcExpMap)# traffic-class 7 drop-precedence 0 to exp 1
device(traffic-class-exp-tcExpMap)# end
device# show qos-mpls maps traffic-class-exp
device# copy running-config startup-config