I need to create a policy to provide only 4 Mbps bandwidth for mail out of 16 mbps pipe terminated on 7606 router (at Datacenter) having  WS-SUP32-GE-3B.But I can't create policy with the help of bandwidth percent,even exact value with priority comma...

We have an existing voice Qos and need to implement Video QoS as well.As we can't implement end to end QoS because of service provider Mpls(may change dscp marking) between backbone network and remote location ,perhaps we need to implement NBAR/traff...