Follow these steps to configure a QoS DSCP to traffic class and drop precedence mutation map.
device# configure terminal
device(config)# qos map dscp-traffic-class dscpTcDpMap
device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 10 to traffic-class 3 drop-precedence 1 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 40 to traffic-class 4 drop-precedence 1 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 45 to traffic-class 5 drop-precedence 0 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 52 to traffic-class 3 drop-precedence 1
device(config-dscp-traffic-class-dscpTcDpMap)# end
device# show qos maps dscp-traffic-class DSCP-to-TC Map: a1 (x/y: TC = x, DP = y, DSCP = d1d2) d1 : d2 0 1 2 3 4 5 6 7 8 9 ------------------------------------------------ 0 : 0/0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 1/0 1/0 1 : 1/0 1/0 1/0 1/0 1/0 1/0 2/0 2/0 2/0 2/0 2 : 2/0 2/0 2/0 2/0 3/0 3/0 3/0 3/0 3/0 3/0 3 : 3/0 3/0 4/0 4/0 4/0 4/0 4/0 4/0 4/0 4/0 4 : 5/0 5/0 5/0 5/0 5/0 5/0 5/0 5/0 6/0 6/0 5 : 6/0 6/0 6/0 6/0 6/0 6/0 7/0 7/0 7/0 7/0 6 : 7/0 7/0 7/0 7/0 Enabled on the following interfaces: >>> map a1 is not applied on any interface.
device# copy running-config startup-config
device# configure terminal device(config)# qos map dscp-traffic-class dscpTcDpMap device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 10 to traffic-class 3 drop-precedence 1 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 40 to traffic-class 4 drop-precedence 1 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 45 to traffic-class 5 drop-precedence 0 device(config-dscp-traffic-class-dscpTcMap)# map dscp-value 52 to traffic-class 3 drop-precedence 1 device(dscp-traffic-class-dscpTcDpMap)# end device# show qos maps dscp-traffic-class dscpTcDpMap device# copy running-config startup-config