I have a problem when i enable QoS on Routers fas 0/1 interface. i am strucked up with this & i can't proceed further. below is the error i get when i enable the QoS of the commad on the fas 0/1 on Cisco 3845 Router.
Rotuer-3845(config-if)#service-policy output shaping
GTS : Can be enabled only at the first level