Follow these steps to configure strict priority scheduling.
device# configure terminal
device(config)# policy-map policy_1
device(config-policymap)# class default
device(config-policymap-class)# scheduler strict-priority 3 dwrr 10 10 10 10 60 TC535000 TC6 36000 TC7 37000
device(config-policymap-class)# end
device# show running-config | include strict-priority scheduler strict-priority 3 dwrr 10 10 10 10 60 TC5 40000 TC6 41000 TC7 42000
device# configure terminal
device(config)# interface ethernet 0/1
device(conf-if-e-0/1)# service-policy out policy_1
device(conf-if-e-0/1)# end
device# copy running-config startup-config
device# configure terminal device(config)# policy-map policy_1 device(config-policymap)# class default device(config-policymap-class)# scheduler strict-priority 3 dwrr 10 10 10 10 60 TC535000 TC6 36000 TC7 37000 device(config-policymap-class)# end device# show running-config | include strict-priority device(config)# interface ethernet 0/1 device(conf-if-e-0/1)# service-policy out policy_1 device(conf-if-e-0/1)# end device# copy running-config startup-config