Dell M6220 User Configuration Manual page 1152

console(config-policy-classmap)#exit
console(config-policy-map)#exit
5 Attach the defined policy to an inbound service interface.
console(config)#interface gigabitethernet 1/0/1
console(config-if-Gi1/0/1)#service-policy in
pol_voip
console(config-if-Gi1/0/1)#exit
console(config)#exit
1152
Configuring Differentiated Services